Justin Boulais vs Quinn Vandecasteele Head-to-Head Stats & Results
Canada Justin BoulaisJustin Boulais - Canada
67 Average Form
L
W
W
W
L
W
ATP Rank
524
Elo Score
77
Age 24, 1.83m, 77kg
H2H Record
2 - 2
Wins
50% - 50%
Sets Won
4 - 5
Justin Boulais and Quinn Vandecasteele have equal wins in their careers.
USAQuinn VandecasteeleUSA - Quinn Vandecasteele
Good Form 73
L
W
W
W
W
L
W
ATP Rank
515
Elo Score
80
Age 23, 1.91m, 79kg
Verdict : Justin Boulais and Quinn Vandecasteele have equal wins in their careers.
H2H Stats
Latest Results
ALL SURFACES
HARD •
CLAY •
GRASS •
Head-to-Head - Full Stats
Performance
Profile
Data Point
Justin Boulais
Quinn Vandecasteele
Prize Money
Career
Career
$48,440USD
$46,118USD
Current Rank
524
515
Wins
H2H
H2H
2(50.0%)
2(50.0%)
Sets Won
H2H
H2H
4(44.4%)
5(55.6%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
66.7%4 / 6 Matches
73.3%11 / 15 Matches
Win Percentage
Last 12 Months
Last 12 Months
55.8%29 / 52 Matches
51.5%35 / 68 Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Main Hand
Left-handed
Right-handed
Age
24
23
Birthday
October 20, 2001
September 1, 2002
Height
1.83m
1.91m
Weight
77kg
79kg
Head-to-Head Record
Date
Tournament
Results
Feb 5
2026
Cleveland Chall. Men
Hard
Justin Boulais
0
-2
Quinn Vandecasteele
Oct 20
2025
Sioux Falls Chall. Men
Hard
Justin Boulais
2
-0
Quinn Vandecasteele
Aug 11
2025
Sumter Chall. Men
Hard
Justin Boulais
0
-2
Quinn Vandecasteele
Mar 9
2025
M25 Quinta Do Lago ITF Men
Hard
Justin Boulais
2
-1
Quinn Vandecasteele
Win Percentage (Match / Set)
2026 Calendar Year
Last 12 Months
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
67%
73%
Match Wins (3 Sets)
67%
73%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
67%
67%
Wins From Behind
0%
20%
Won At Least 1 Set
67%
80%
Set 1 Win
67%
73%
Set 2 Win
67%
73%
Set 3 Win
N/A
50%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
56%
51%
Match Wins (3 Sets)
56%
51%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
40%
43%
Wins From Behind
15%
9%
Won At Least 1 Set
65%
71%
Set 1 Win
56%
56%
Set 2 Win
50%
57%
Set 3 Win
62%
33%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Aces - Over/Under, Match Total, Average (3 Set Matches)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
4.33
5.88
10.21
Most Aces in a match
67%
88%
N/A
1+
100%
100%
100%
2+
100%
100%
100%
3+
83%
75%
94%
4+
50%
63%
86%
5+
50%
63%
86%
6+
17%
63%
79%
7+
17%
63%
65%
8+
0%
50%
48%
9+
0%
13%
42%
10+
0%
0%
21%
15+
0%
0%
0%
20+
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
100%
100%
100%
Over 1.5
100%
100%
100%
Over 2.5
83%
75%
94%
Over 3.5
50%
63%
86%
Over 4.5
50%
63%
86%
Over 5.5
33%
63%
79%
Over 6.5
17%
63%
65%
Over 7.5
0%
50%
48%
Over 8.5
0%
13%
42%
Over 9.5
0%
0%
21%
Over 10.5
0%
0%
21%
Over 11.5
0%
0%
13%
Over 12.5
0%
0%
7%
Over 13.5
0%
0%
0%
Over 14.5
0%
0%
0%
Over 15.5
0%
0%
0%
Over 16.5
0%
0%
0%
Over 17.5
0%
0%
0%
Over 18.5
0%
0%
0%
Over 19.5
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
0%
0%
0%
Under 1.5
0%
0%
0%
Under 2.5
17%
25%
7%
Under 3.5
50%
38%
15%
Under 4.5
50%
38%
15%
Under 5.5
67%
38%
21%
Under 6.5
83%
38%
36%
Under 7.5
100%
50%
53%
Under 8.5
100%
88%
59%
Under 9.5
100%
100%
79%
Under 10.5
100%
100%
79%
Under 11.5
100%
100%
88%
Under 12.5
100%
100%
94%
Under 13.5
100%
100%
100%
Under 14.5
100%
100%
100%
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
2.93
5.36
8.29
Most Aces in a match
39%
72%
N/A
1+
89%
100%
100%
2+
68%
94%
98%
3+
57%
75%
93%
4+
25%
64%
81%
5+
21%
53%
70%
6+
11%
31%
66%
7+
11%
31%
57%
8+
4%
25%
50%
9+
0%
17%
42%
10+
0%
14%
29%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
89%
100%
100%
Over 1.5
68%
94%
98%
Over 2.5
57%
75%
93%
Over 3.5
25%
64%
81%
Over 4.5
21%
53%
70%
Over 5.5
18%
44%
66%
Over 6.5
11%
31%
57%
Over 7.5
4%
25%
50%
Over 8.5
0%
17%
42%
Over 9.5
0%
14%
29%
Over 10.5
0%
11%
20%
Over 11.5
0%
6%
18%
Over 12.5
0%
3%
9%
Over 13.5
0%
0%
7%
Over 14.5
0%
0%
2%
Over 15.5
0%
0%
0%
Over 16.5
0%
0%
0%
Over 17.5
0%
0%
0%
Over 18.5
0%
0%
0%
Over 19.5
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
11%
0%
0%
Under 1.5
32%
6%
2%
Under 2.5
43%
25%
8%
Under 3.5
75%
36%
19%
Under 4.5
79%
47%
30%
Under 5.5
82%
56%
34%
Under 6.5
89%
69%
44%
Under 7.5
96%
75%
51%
Under 8.5
100%
83%
59%
Under 9.5
100%
86%
71%
Under 10.5
100%
89%
80%
Under 11.5
100%
94%
82%
Under 12.5
100%
97%
91%
Under 13.5
100%
100%
94%
Under 14.5
100%
100%
99%
Match Total Games - Over/Under
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
8.67
10.13
9.4
Over 6.5
100%
100%
100%
Over 7.5
83%
87%
85%
Over 8.5
50%
80%
65%
Over 9.5
33%
53%
43%
Over 10.5
0%
33%
17%
Over 11.5
0%
33%
17%
Over 12.5
0%
27%
14%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
83%
100%
92%
Over 13.5
83%
100%
92%
Over 14.5
83%
93%
88%
Over 15.5
83%
87%
85%
Over 16.5
67%
87%
77%
Over 17.5
67%
80%
74%
Over 18.5
50%
67%
59%
Over 19.5
17%
60%
39%
Over 20.5
17%
53%
35%
Over 21.5
17%
40%
29%
Over 22.5
17%
33%
25%
Over 23.5
0%
13%
7%
Over 24.5
0%
13%
7%
Over 25.5
0%
13%
7%
Over 26.5
0%
13%
7%
Over 27.5
0%
7%
4%
Over 28.5
0%
7%
4%
Over 29.5
0%
7%
4%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
9.54
9.46
9.5
Over 6.5
98%
97%
98%
Over 7.5
87%
84%
86%
Over 8.5
73%
69%
71%
Over 9.5
44%
43%
44%
Over 10.5
21%
21%
21%
Over 11.5
21%
21%
21%
Over 12.5
10%
12%
11%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
98%
99%
99%
Over 13.5
98%
99%
99%
Over 14.5
98%
94%
96%
Over 15.5
96%
90%
93%
Over 16.5
85%
85%
85%
Over 17.5
79%
75%
77%
Over 18.5
60%
68%
64%
Over 19.5
50%
63%
57%
Over 20.5
42%
56%
49%
Over 21.5
38%
47%
43%
Over 22.5
35%
37%
36%
Over 23.5
29%
28%
29%
Over 24.5
29%
26%
28%
Over 25.5
23%
21%
22%
Over 26.5
19%
19%
19%
Over 27.5
19%
15%
17%
Over 28.5
13%
13%
13%
Over 29.5
13%
13%
13%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Break of Serve (Break Points Won) - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
2.25
2.38
4.63
Over 0.5
83%
100%
100%
Over 1.5
83%
100%
100%
Over 2.5
67%
63%
94%
Over 3.5
33%
38%
59%
Over 4.5
0%
0%
44%
Over 5.5
0%
0%
36%
Over 6.5
0%
0%
13%
Over 7.5
0%
0%
13%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
1.42
1.38
2.8
Average Break-Points Converted (Set 2)
0.83
0.88
1.71
Average Break-Points Converted (Set 3)
N/A
1
N/A
will Break Serve %
50%
47%
N/A
will not Break Serve %
33%
30%
N/A
Over 0.5
83%
88%
94%
Over 1.5
67%
63%
88%
Over 2.5
17%
13%
50%
Over 3.5
0%
0%
21%
Over 4.5
0%
0%
21%
Over 5.5
0%
0%
7%
Over 6.5
0%
0%
0%
Over 7.5
0%
0%
0%
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
2.7
2.72
5.42
Over 0.5
82%
92%
100%
Over 1.5
64%
83%
99%
Over 2.5
50%
58%
93%
Over 3.5
39%
44%
75%
Over 4.5
11%
11%
58%
Over 5.5
7%
0%
41%
Over 6.5
0%
0%
26%
Over 7.5
0%
0%
20%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
1.25
1.33
2.58
Average Break-Points Converted (Set 2)
1.27
1.21
2.48
Average Break-Points Converted (Set 3)
2.5
1.08
3.58
will Break Serve %
38%
47%
N/A
will not Break Serve %
41%
36%
N/A
Over 0.5
64%
75%
97%
Over 1.5
43%
50%
75%
Over 2.5
25%
8%
43%
Over 3.5
0%
0%
22%
Breaks Per Set data uses Set 1 as a sample.
Double Faults - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
1.33
2.12
3.45
Over 0.5 (1+)
67%
88%
100%
Over 1.5 (2+)
33%
50%
94%
Over 2.5 (3+)
33%
38%
86%
Over 3.5 (4+)
0%
38%
73%
Over 4.5 (5+)
0%
0%
50%
Over 5.5 (6+)
0%
0%
25%
Over 6.5 (7+)
0%
0%
25%
Over 7.5 (8+)
0%
0%
19%
Over 8.5 (9+)
0%
0%
19%
Over 9.5 (10+)
0%
0%
0%
Over 10.5 (11+)
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
0%
0%
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
3.43
2.92
6.35
Over 0.5 (1+)
89%
97%
100%
Over 1.5 (2+)
75%
72%
95%
Over 2.5 (3+)
61%
53%
91%
Over 3.5 (4+)
46%
42%
81%
Over 4.5 (5+)
43%
19%
72%
Over 5.5 (6+)
14%
6%
58%
Over 6.5 (7+)
11%
3%
41%
Over 7.5 (8+)
4%
0%
32%
Over 8.5 (9+)
0%
0%
21%
Over 9.5 (10+)
0%
0%
13%
Over 10.5 (11+)
0%
0%
10%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Tie Breaks - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
0.17
0.33
0.25
Over 0.5
17%
33%
25%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
83%
67%
25%
Under 1.5
100%
100%
0%
Under 2.5
100%
100%
0%
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
0.31
0.28
0.29
Over 0.5
25%
26%
26%
Over 1.5
6%
1%
4%
Over 2.5
0%
0%
0%
Under 0.5
25%
26%
26%
Under 1.5
6%
1%
4%
Under 2.5
0%
0%
0%
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Net Points Won - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Point Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
9.2
5.83
15.03
Over 4.5 (5+)
80%
50%
65%
Over 5.5 (6+)
60%
50%
55%
Over 6.5 (7+)
40%
50%
45%
Over 7.5 (8+)
20%
50%
35%
Over 8.5 (9+)
20%
17%
19%
Over 9.5 (10+)
20%
0%
10%
Over 10.5 (11+)
20%
0%
10%
Over 11.5 (12+)
20%
0%
10%
Over 14.5 (15+)
20%
0%
10%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
Head-to-Head (Hard Courts)
Performance
Profile
Data Point
Justin Boulais
Quinn Vandecasteele
Wins
H2H
H2H
2(50.0%)
2(50.0%)
Sets Won
H2H
H2H
4(44.4%)
5(55.6%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
66.7%4 / 6 Matches
73.3%11 / 15 Matches
Win Percentage
Last 12 Months
Last 12 Months
56.9%29 / 51 Matches
53.2%33 / 62 Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Main Hand
Left-handed
Right-handed
Age
24
23
Birthday
October 20, 2001
September 1, 2002
Height
1.83m
1.91m
Weight
77kg
79kg
Win Percentage (Hard Courts)
2026 Calendar Year
Last 12 Months
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
67%
73%
Match Wins (3 Sets)
67%
73%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
67%
67%
Wins From Behind
0%
20%
Won At Least 1 Set
67%
80%
Set 1 Win
67%
73%
Set 2 Win
67%
73%
Set 3 Win
N/A
50%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
57%
53%
Match Wins (3 Sets)
57%
53%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
41%
44%
Wins From Behind
15%
10%
Won At Least 1 Set
65%
71%
Set 1 Win
55%
58%
Set 2 Win
51%
56%
Set 3 Win
67%
38%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Aces (Hard Courts)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
4.33
5.88
10.21
Most Aces in a match
67%
88%
N/A
1+
100%
100%
100%
2+
100%
100%
100%
3+
83%
75%
94%
4+
50%
63%
86%
5+
50%
63%
86%
6+
17%
63%
79%
7+
17%
63%
65%
8+
0%
50%
48%
9+
0%
13%
42%
10+
0%
0%
21%
15+
0%
0%
0%
20+
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
100%
100%
100%
Over 1.5
100%
100%
100%
Over 2.5
83%
75%
94%
Over 3.5
50%
63%
86%
Over 4.5
50%
63%
86%
Over 5.5
33%
63%
79%
Over 6.5
17%
63%
65%
Over 7.5
0%
50%
48%
Over 8.5
0%
13%
42%
Over 9.5
0%
0%
21%
Over 10.5
0%
0%
21%
Over 11.5
0%
0%
13%
Over 12.5
0%
0%
7%
Over 13.5
0%
0%
0%
Over 14.5
0%
0%
0%
Over 15.5
0%
0%
0%
Over 16.5
0%
0%
0%
Over 17.5
0%
0%
0%
Over 18.5
0%
0%
0%
Over 19.5
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
0%
0%
0%
Under 1.5
0%
0%
0%
Under 2.5
17%
25%
7%
Under 3.5
50%
38%
15%
Under 4.5
50%
38%
15%
Under 5.5
67%
38%
21%
Under 6.5
83%
38%
36%
Under 7.5
100%
50%
53%
Under 8.5
100%
88%
59%
Under 9.5
100%
100%
79%
Under 10.5
100%
100%
79%
Under 11.5
100%
100%
88%
Under 12.5
100%
100%
94%
Under 13.5
100%
100%
100%
Under 14.5
100%
100%
100%
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
2.93
5.35
8.28
Most Aces in a match
39%
72%
N/A
1+
89%
100%
100%
2+
68%
94%
98%
3+
57%
74%
92%
4+
25%
61%
80%
5+
21%
52%
71%
6+
11%
32%
67%
7+
11%
32%
56%
8+
4%
26%
49%
9+
0%
16%
42%
10+
0%
13%
29%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
89%
100%
100%
Over 1.5
68%
94%
98%
Over 2.5
57%
74%
92%
Over 3.5
25%
61%
80%
Over 4.5
21%
52%
71%
Over 5.5
18%
45%
67%
Over 6.5
11%
32%
56%
Over 7.5
4%
26%
49%
Over 8.5
0%
16%
42%
Over 9.5
0%
13%
29%
Over 10.5
0%
13%
22%
Over 11.5
0%
6%
20%
Over 12.5
0%
3%
10%
Over 13.5
0%
0%
7%
Over 14.5
0%
0%
2%
Over 15.5
0%
0%
0%
Over 16.5
0%
0%
0%
Over 17.5
0%
0%
0%
Over 18.5
0%
0%
0%
Over 19.5
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
11%
0%
0%
Under 1.5
32%
6%
2%
Under 2.5
43%
26%
9%
Under 3.5
75%
39%
20%
Under 4.5
79%
48%
29%
Under 5.5
82%
55%
34%
Under 6.5
89%
68%
44%
Under 7.5
96%
74%
51%
Under 8.5
100%
84%
58%
Under 9.5
100%
87%
72%
Under 10.5
100%
87%
78%
Under 11.5
100%
94%
80%
Under 12.5
100%
97%
90%
Under 13.5
100%
100%
94%
Under 14.5
100%
100%
99%
Match Total Games (Hard Courts)
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
8.67
10.13
9.4
Over 6.5
100%
100%
100%
Over 7.5
83%
87%
85%
Over 8.5
50%
80%
65%
Over 9.5
33%
53%
43%
Over 10.5
0%
33%
17%
Over 11.5
0%
33%
17%
Over 12.5
0%
27%
14%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
83%
100%
92%
Over 13.5
83%
100%
92%
Over 14.5
83%
93%
88%
Over 15.5
83%
87%
85%
Over 16.5
67%
87%
77%
Over 17.5
67%
80%
74%
Over 18.5
50%
67%
59%
Over 19.5
17%
60%
39%
Over 20.5
17%
53%
35%
Over 21.5
17%
40%
29%
Over 22.5
17%
33%
25%
Over 23.5
0%
13%
7%
Over 24.5
0%
13%
7%
Over 25.5
0%
13%
7%
Over 26.5
0%
13%
7%
Over 27.5
0%
7%
4%
Over 28.5
0%
7%
4%
Over 29.5
0%
7%
4%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
9.54
9.46
9.5
Over 6.5
98%
97%
98%
Over 7.5
87%
84%
86%
Over 8.5
73%
69%
71%
Over 9.5
44%
43%
44%
Over 10.5
21%
21%
21%
Over 11.5
21%
21%
21%
Over 12.5
10%
12%
11%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
98%
99%
99%
Over 13.5
98%
99%
99%
Over 14.5
98%
94%
96%
Over 15.5
96%
90%
93%
Over 16.5
85%
85%
85%
Over 17.5
79%
75%
77%
Over 18.5
60%
68%
64%
Over 19.5
50%
63%
57%
Over 20.5
42%
56%
49%
Over 21.5
38%
47%
43%
Over 22.5
35%
37%
36%
Over 23.5
29%
28%
29%
Over 24.5
29%
26%
28%
Over 25.5
23%
21%
22%
Over 26.5
19%
19%
19%
Over 27.5
19%
15%
17%
Over 28.5
13%
13%
13%
Over 29.5
13%
13%
13%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Break Points Won (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
2.25
2.38
4.63
Over 0.5
83%
100%
100%
Over 1.5
83%
100%
100%
Over 2.5
67%
63%
94%
Over 3.5
33%
38%
59%
Over 4.5
0%
0%
44%
Over 5.5
0%
0%
36%
Over 6.5
0%
0%
13%
Over 7.5
0%
0%
13%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
1.42
1.38
2.8
Average Break-Points Converted (Set 2)
0.83
0.88
1.71
Average Break-Points Converted (Set 3)
N/A
1
N/A
will Break Serve %
50%
47%
N/A
will not Break Serve %
33%
30%
N/A
Over 0.5
83%
88%
94%
Over 1.5
67%
63%
88%
Over 2.5
17%
13%
50%
Over 3.5
0%
0%
21%
Over 4.5
0%
0%
21%
Over 5.5
0%
0%
7%
Over 6.5
0%
0%
0%
Over 7.5
0%
0%
0%
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
2.7
2.66
5.36
Over 0.5
82%
94%
100%
Over 1.5
64%
87%
100%
Over 2.5
50%
58%
94%
Over 3.5
39%
42%
74%
Over 4.5
11%
10%
60%
Over 5.5
7%
0%
41%
Over 6.5
0%
0%
25%
Over 7.5
0%
0%
19%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
1.25
1.31
2.58
Average Break-Points Converted (Set 2)
1.27
1.23
2.48
Average Break-Points Converted (Set 3)
2.5
0.8
3.58
will Break Serve %
38%
48%
N/A
will not Break Serve %
41%
37%
N/A
Over 0.5
64%
77%
97%
Over 1.5
43%
52%
75%
Over 2.5
25%
6%
43%
Over 3.5
0%
0%
22%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
1.33
2.12
3.45
Over 0.5 (1+)
67%
88%
100%
Over 1.5 (2+)
33%
50%
94%
Over 2.5 (3+)
33%
38%
86%
Over 3.5 (4+)
0%
38%
73%
Over 4.5 (5+)
0%
0%
50%
Over 5.5 (6+)
0%
0%
25%
Over 6.5 (7+)
0%
0%
25%
Over 7.5 (8+)
0%
0%
19%
Over 8.5 (9+)
0%
0%
19%
Over 9.5 (10+)
0%
0%
0%
Over 10.5 (11+)
0%
0%
0%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
0%
0%
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
3.43
2.77
6.2
Over 0.5 (1+)
89%
97%
100%
Over 1.5 (2+)
75%
68%
95%
Over 2.5 (3+)
61%
48%
92%
Over 3.5 (4+)
46%
39%
82%
Over 4.5 (5+)
43%
19%
72%
Over 5.5 (6+)
14%
3%
58%
Over 6.5 (7+)
11%
3%
42%
Over 7.5 (8+)
4%
0%
32%
Over 8.5 (9+)
0%
0%
22%
Over 9.5 (10+)
0%
0%
12%
Over 10.5 (11+)
0%
0%
9%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Tie Breaks (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
0.17
0.33
0.25
Over 0.5
17%
20%
19%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
83%
80%
82%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
0.27
0.29
0.29
Over 0.5
16%
13%
15%
Over 1.5
2%
2%
2%
Over 2.5
0%
0%
0%
Under 0.5
84%
87%
86%
Under 1.5
98%
98%
98%
Under 2.5
100%
100%
100%
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Net Points Won (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Point Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
9.2
6.17
15.37
Over 4.5 (5+)
80%
67%
74%
Over 5.5 (6+)
60%
67%
64%
Over 6.5 (7+)
40%
67%
54%
Over 7.5 (8+)
20%
67%
44%
Over 8.5 (9+)
20%
33%
27%
Over 9.5 (10+)
20%
0%
10%
Over 10.5 (11+)
20%
0%
10%
Over 11.5 (12+)
20%
0%
10%
Over 14.5 (15+)
20%
0%
10%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
Head-to-Head (Clay Courts)
Performance
Profile
Data Point
Justin Boulais
Quinn Vandecasteele
Wins
H2H
H2H
0(0%)
0(0%)
Sets Won
H2H
H2H
0(0%)
0(0%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
N/A0 / 0 Matches
N/A0 / 0 Matches
Win Percentage
Last 12 Months
Last 12 Months
0.0%0 / 1 Matches
0.0%0 / 3 Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Main Hand
Left-handed
Right-handed
Age
24
23
Birthday
October 20, 2001
September 1, 2002
Height
1.83m
1.91m
Weight
77kg
79kg
Win Percentage (Clay Courts)
2026 Calendar Year
Last 12 Months
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
N/A
N/A
Match Wins (3 Sets)
N/A
N/A
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
N/A
N/A
Wins From Behind
N/A
N/A
Won At Least 1 Set
N/A
N/A
Set 1 Win
N/A
N/A
Set 2 Win
N/A
N/A
Set 3 Win
N/A
N/A
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
0%
0%
Match Wins (3 Sets)
0%
0%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
0%
0%
Wins From Behind
0%
0%
Won At Least 1 Set
100%
67%
Set 1 Win
100%
0%
Set 2 Win
0%
67%
Set 3 Win
0%
0%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Aces (Clay Courts)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
N/A
N/A
N/A
Most Aces in a match
N/A
N/A
N/A
1+
N/A
N/A
N/A
2+
N/A
N/A
N/A
3+
N/A
N/A
N/A
4+
N/A
N/A
N/A
5+
N/A
N/A
N/A
6+
N/A
N/A
N/A
7+
N/A
N/A
N/A
8+
N/A
N/A
N/A
9+
N/A
N/A
N/A
10+
N/A
N/A
N/A
15+
N/A
N/A
N/A
20+
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Over 10.5
N/A
N/A
N/A
Over 11.5
N/A
N/A
N/A
Over 12.5
N/A
N/A
N/A
Over 13.5
N/A
N/A
N/A
Over 14.5
N/A
N/A
N/A
Over 15.5
N/A
N/A
N/A
Over 16.5
N/A
N/A
N/A
Over 17.5
N/A
N/A
N/A
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Under 3.5
N/A
N/A
N/A
Under 4.5
N/A
N/A
N/A
Under 5.5
N/A
N/A
N/A
Under 6.5
N/A
N/A
N/A
Under 7.5
N/A
N/A
N/A
Under 8.5
N/A
N/A
N/A
Under 9.5
N/A
N/A
N/A
Under 10.5
N/A
N/A
N/A
Under 11.5
N/A
N/A
N/A
Under 12.5
N/A
N/A
N/A
Under 13.5
N/A
N/A
N/A
Under 14.5
N/A
N/A
N/A
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
N/A
4
N/A
Most Aces in a match
39%
72%
N/A
1+
N/A
100%
50%
2+
N/A
100%
50%
3+
N/A
50%
50%
4+
N/A
50%
50%
5+
N/A
50%
25%
6+
N/A
0%
25%
7+
N/A
0%
25%
8+
N/A
0%
25%
9+
N/A
0%
N/A
10+
N/A
0%
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
N/A
100%
50%
Over 1.5
N/A
100%
50%
Over 2.5
N/A
50%
50%
Over 3.5
N/A
50%
50%
Over 4.5
N/A
50%
25%
Over 5.5
N/A
50%
25%
Over 6.5
N/A
0%
25%
Over 7.5
N/A
0%
25%
Over 8.5
N/A
0%
N/A
Over 9.5
N/A
0%
N/A
Over 10.5
N/A
0%
N/A
Over 11.5
N/A
0%
N/A
Over 12.5
N/A
0%
N/A
Over 13.5
N/A
0%
N/A
Over 14.5
N/A
0%
N/A
Over 15.5
N/A
0%
N/A
Over 16.5
N/A
0%
N/A
Over 17.5
N/A
0%
N/A
Over 18.5
N/A
0%
N/A
Over 19.5
N/A
0%
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
N/A
0%
N/A
Under 1.5
N/A
0%
N/A
Under 2.5
N/A
50%
N/A
Under 3.5
N/A
50%
N/A
Under 4.5
N/A
50%
25%
Under 5.5
N/A
50%
25%
Under 6.5
N/A
100%
25%
Under 7.5
N/A
100%
25%
Under 8.5
N/A
100%
50%
Under 9.5
N/A
100%
50%
Under 10.5
N/A
100%
50%
Under 11.5
N/A
100%
50%
Under 12.5
N/A
100%
50%
Under 13.5
N/A
100%
50%
Under 14.5
N/A
100%
50%
Match Total Games (Clay Courts)
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
8.67
10.13
9.4
Over 6.5
100%
100%
100%
Over 7.5
83%
87%
85%
Over 8.5
50%
80%
65%
Over 9.5
33%
53%
43%
Over 10.5
0%
33%
17%
Over 11.5
0%
33%
17%
Over 12.5
0%
27%
14%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
83%
100%
92%
Over 13.5
83%
100%
92%
Over 14.5
83%
93%
88%
Over 15.5
83%
87%
85%
Over 16.5
67%
87%
77%
Over 17.5
67%
80%
74%
Over 18.5
50%
67%
59%
Over 19.5
17%
60%
39%
Over 20.5
17%
53%
35%
Over 21.5
17%
40%
29%
Over 22.5
17%
33%
25%
Over 23.5
0%
13%
7%
Over 24.5
0%
13%
7%
Over 25.5
0%
13%
7%
Over 26.5
0%
13%
7%
Over 27.5
0%
7%
4%
Over 28.5
0%
7%
4%
Over 29.5
0%
7%
4%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
9.54
9.46
9.5
Over 6.5
98%
97%
98%
Over 7.5
87%
84%
86%
Over 8.5
73%
69%
71%
Over 9.5
44%
43%
44%
Over 10.5
21%
21%
21%
Over 11.5
21%
21%
21%
Over 12.5
10%
12%
11%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
98%
99%
99%
Over 13.5
98%
99%
99%
Over 14.5
98%
94%
96%
Over 15.5
96%
90%
93%
Over 16.5
85%
85%
85%
Over 17.5
79%
75%
77%
Over 18.5
60%
68%
64%
Over 19.5
50%
63%
57%
Over 20.5
42%
56%
49%
Over 21.5
38%
47%
43%
Over 22.5
35%
37%
36%
Over 23.5
29%
28%
29%
Over 24.5
29%
26%
28%
Over 25.5
23%
21%
22%
Over 26.5
19%
19%
19%
Over 27.5
19%
15%
17%
Over 28.5
13%
13%
13%
Over 29.5
13%
13%
13%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Break Points Won (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
N/A
N/A
N/A
Average Break-Points Converted (Set 2)
N/A
N/A
N/A
Average Break-Points Converted (Set 3)
N/A
N/A
N/A
will Break Serve %
N/A
N/A
N/A
will not Break Serve %
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
5.5
4.5
Over 0.5
N/A
100%
50%
Over 1.5
N/A
100%
50%
Over 2.5
N/A
100%
50%
Over 3.5
N/A
100%
50%
Over 4.5
N/A
50%
50%
Over 5.5
N/A
0%
50%
Over 6.5
N/A
0%
50%
Over 7.5
N/A
0%
50%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
N/A
2.5
2.58
Average Break-Points Converted (Set 2)
N/A
1.75
2.48
Average Break-Points Converted (Set 3)
N/A
2.5
3.58
will Break Serve %
N/A
38%
N/A
will not Break Serve %
N/A
53%
N/A
Over 0.5
N/A
50%
97%
Over 1.5
N/A
50%
75%
Over 2.5
N/A
50%
43%
Over 3.5
N/A
0%
22%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
0%
0%
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
5
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
100%
N/A
Over 2.5 (3+)
N/A
100%
N/A
Over 3.5 (4+)
N/A
100%
N/A
Over 4.5 (5+)
N/A
50%
N/A
Over 5.5 (6+)
N/A
50%
N/A
Over 6.5 (7+)
N/A
0%
N/A
Over 7.5 (8+)
N/A
0%
N/A
Over 8.5 (9+)
N/A
0%
N/A
Over 9.5 (10+)
N/A
0%
N/A
Over 10.5 (11+)
N/A
0%
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Tie Breaks (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
N/A
0.25
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
2
0
0.29
Over 0.5
100%
0%
50%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
0%
100%
50%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Net Points Won (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Point Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
Head-to-Head (Grass Courts)
Performance
Profile
Data Point
Justin Boulais
Quinn Vandecasteele
Wins
H2H
H2H
0(0%)
0(0%)
Sets Won
H2H
H2H
0(0%)
0(0%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
N/A0 / 0 Matches
N/A0 / 0 Matches
Win Percentage
Last 12 Months
Last 12 Months
N/A0 / 0 Matches
66.7%2 / 3 Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Main Hand
Left-handed
Right-handed
Age
24
23
Birthday
October 20, 2001
September 1, 2002
Height
1.83m
1.91m
Weight
77kg
79kg
Win Percentage (Grass Courts)
2026 Calendar Year
Last 12 Months
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
N/A
N/A
Match Wins (3 Sets)
N/A
N/A
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
N/A
N/A
Wins From Behind
N/A
N/A
Won At Least 1 Set
N/A
N/A
Set 1 Win
N/A
N/A
Set 2 Win
N/A
N/A
Set 3 Win
N/A
N/A
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Wins
N/A
67%
Match Wins (3 Sets)
N/A
67%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
N/A
67%
Wins From Behind
N/A
0%
Won At Least 1 Set
N/A
67%
Set 1 Win
N/A
67%
Set 2 Win
N/A
67%
Set 3 Win
N/A
N/A
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Aces (Grass Courts)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
N/A
N/A
N/A
Most Aces in a match
N/A
N/A
N/A
1+
N/A
N/A
N/A
2+
N/A
N/A
N/A
3+
N/A
N/A
N/A
4+
N/A
N/A
N/A
5+
N/A
N/A
N/A
6+
N/A
N/A
N/A
7+
N/A
N/A
N/A
8+
N/A
N/A
N/A
9+
N/A
N/A
N/A
10+
N/A
N/A
N/A
15+
N/A
N/A
N/A
20+
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Over 10.5
N/A
N/A
N/A
Over 11.5
N/A
N/A
N/A
Over 12.5
N/A
N/A
N/A
Over 13.5
N/A
N/A
N/A
Over 14.5
N/A
N/A
N/A
Over 15.5
N/A
N/A
N/A
Over 16.5
N/A
N/A
N/A
Over 17.5
N/A
N/A
N/A
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Under 3.5
N/A
N/A
N/A
Under 4.5
N/A
N/A
N/A
Under 5.5
N/A
N/A
N/A
Under 6.5
N/A
N/A
N/A
Under 7.5
N/A
N/A
N/A
Under 8.5
N/A
N/A
N/A
Under 9.5
N/A
N/A
N/A
Under 10.5
N/A
N/A
N/A
Under 11.5
N/A
N/A
N/A
Under 12.5
N/A
N/A
N/A
Under 13.5
N/A
N/A
N/A
Under 14.5
N/A
N/A
N/A
Milestones
Over
Under
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Aces Per Match
N/A
6.33
N/A
Most Aces in a match
39%
72%
N/A
1+
N/A
100%
50%
2+
N/A
100%
50%
3+
N/A
100%
50%
4+
N/A
100%
50%
5+
N/A
67%
33%
6+
N/A
33%
33%
7+
N/A
33%
33%
8+
N/A
33%
33%
9+
N/A
33%
33%
10+
N/A
33%
33%
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Over 0.5
N/A
100%
50%
Over 1.5
N/A
100%
50%
Over 2.5
N/A
100%
50%
Over 3.5
N/A
100%
50%
Over 4.5
N/A
67%
33%
Over 5.5
N/A
33%
33%
Over 6.5
N/A
33%
33%
Over 7.5
N/A
33%
33%
Over 8.5
N/A
33%
33%
Over 9.5
N/A
33%
33%
Over 10.5
N/A
0%
N/A
Over 11.5
N/A
0%
N/A
Over 12.5
N/A
0%
N/A
Over 13.5
N/A
0%
N/A
Over 14.5
N/A
0%
N/A
Over 15.5
N/A
0%
N/A
Over 16.5
N/A
0%
N/A
Over 17.5
N/A
0%
N/A
Over 18.5
N/A
0%
N/A
Over 19.5
N/A
0%
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Under 0.5
N/A
0%
N/A
Under 1.5
N/A
0%
N/A
Under 2.5
N/A
0%
N/A
Under 3.5
N/A
0%
N/A
Under 4.5
N/A
33%
16%
Under 5.5
N/A
67%
16%
Under 6.5
N/A
67%
16%
Under 7.5
N/A
67%
16%
Under 8.5
N/A
67%
16%
Under 9.5
N/A
67%
16%
Under 10.5
N/A
100%
50%
Under 11.5
N/A
100%
50%
Under 12.5
N/A
100%
50%
Under 13.5
N/A
100%
50%
Under 14.5
N/A
100%
50%
Match Total Games (Grass Courts)
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
8.67
10.13
9.4
Over 6.5
100%
100%
100%
Over 7.5
83%
87%
85%
Over 8.5
50%
80%
65%
Over 9.5
33%
53%
43%
Over 10.5
0%
33%
17%
Over 11.5
0%
33%
17%
Over 12.5
0%
27%
14%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
83%
100%
92%
Over 13.5
83%
100%
92%
Over 14.5
83%
93%
88%
Over 15.5
83%
87%
85%
Over 16.5
67%
87%
77%
Over 17.5
67%
80%
74%
Over 18.5
50%
67%
59%
Over 19.5
17%
60%
39%
Over 20.5
17%
53%
35%
Over 21.5
17%
40%
29%
Over 22.5
17%
33%
25%
Over 23.5
0%
13%
7%
Over 24.5
0%
13%
7%
Over 25.5
0%
13%
7%
Over 26.5
0%
13%
7%
Over 27.5
0%
7%
4%
Over 28.5
0%
7%
4%
Over 29.5
0%
7%
4%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Average Games in a Set
9.54
9.46
9.5
Over 6.5
98%
97%
98%
Over 7.5
87%
84%
86%
Over 8.5
73%
69%
71%
Over 9.5
44%
43%
44%
Over 10.5
21%
21%
21%
Over 11.5
21%
21%
21%
Over 12.5
10%
12%
11%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 12.5
98%
99%
99%
Over 13.5
98%
99%
99%
Over 14.5
98%
94%
96%
Over 15.5
96%
90%
93%
Over 16.5
85%
85%
85%
Over 17.5
79%
75%
77%
Over 18.5
60%
68%
64%
Over 19.5
50%
63%
57%
Over 20.5
42%
56%
49%
Over 21.5
38%
47%
43%
Over 22.5
35%
37%
36%
Over 23.5
29%
28%
29%
Over 24.5
29%
26%
28%
Over 25.5
23%
21%
22%
Over 26.5
19%
19%
19%
Over 27.5
19%
15%
17%
Over 28.5
13%
13%
13%
Over 29.5
13%
13%
13%
Data Point
Justin Boulais
Quinn Vandecasteele
Average
Over 18.5
N/A
N/A
N/A
Over 19.5
N/A
N/A
N/A
Over 20.5
N/A
N/A
N/A
Over 21.5
N/A
N/A
N/A
Over 22.5
N/A
N/A
N/A
Over 23.5
N/A
N/A
N/A
Over 24.5
N/A
N/A
N/A
Over 25.5
N/A
N/A
N/A
Over 26.5
N/A
N/A
N/A
Over 27.5
N/A
N/A
N/A
Over 28.5
N/A
N/A
N/A
Over 29.5
N/A
N/A
N/A
Over 30.5
N/A
N/A
N/A
Over 31.5
N/A
N/A
N/A
Over 32.5
N/A
N/A
N/A
Over 33.5
N/A
N/A
N/A
Over 34.5
N/A
N/A
N/A
Over 35.5
N/A
N/A
N/A
Over 36.5
N/A
N/A
N/A
Over 37.5
N/A
N/A
N/A
Break Points Won (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
N/A
N/A
N/A
Average Break-Points Converted (Set 2)
N/A
N/A
N/A
Average Break-Points Converted (Set 3)
N/A
N/A
N/A
will Break Serve %
N/A
N/A
N/A
will not Break Serve %
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
1.5
0.5
Over 0.5
N/A
67%
50%
Over 1.5
N/A
33%
33%
Over 2.5
N/A
33%
33%
Over 3.5
N/A
33%
33%
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Over 3.5
N/A
N/A
N/A
Over 4.5
N/A
N/A
N/A
Over 5.5
N/A
N/A
N/A
Over 6.5
N/A
N/A
N/A
Over 7.5
N/A
N/A
N/A
Over 8.5
N/A
N/A
N/A
Over 9.5
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Average Break-Points Converted (Set 1)
N/A
0.83
2.58
Average Break-Points Converted (Set 2)
N/A
0.67
2.48
Average Break-Points Converted (Set 3)
N/A
N/A
3.58
will Break Serve %
N/A
39%
N/A
will not Break Serve %
N/A
17%
N/A
Over 0.5
N/A
67%
97%
Over 1.5
N/A
33%
75%
Over 2.5
N/A
0%
43%
Over 3.5
N/A
0%
22%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
0%
0%
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
3
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
100%
N/A
Over 2.5 (3+)
N/A
67%
N/A
Over 3.5 (4+)
N/A
33%
N/A
Over 4.5 (5+)
N/A
0%
N/A
Over 5.5 (6+)
N/A
0%
N/A
Over 6.5 (7+)
N/A
0%
N/A
Over 7.5 (8+)
N/A
0%
N/A
Over 8.5 (9+)
N/A
0%
N/A
Over 9.5 (10+)
N/A
0%
N/A
Over 10.5 (11+)
N/A
0%
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Double Faults Per Match
N/A
N/A
N/A
Over 0.5 (1+)
N/A
N/A
N/A
Over 1.5 (2+)
N/A
N/A
N/A
Over 2.5 (3+)
N/A
N/A
N/A
Over 3.5 (4+)
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Tie Breaks (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
N/A
0.25
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
(Match)
(Match)
Quinn Vandecasteele
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
0.33
0.29
Over 0.5
N/A
33%
16%
Over 1.5
N/A
0%
N/A
Over 2.5
N/A
0%
N/A
Under 0.5
N/A
67%
33%
Under 1.5
N/A
100%
50%
Under 2.5
N/A
100%
50%
Data Point
Justin Boulais (Match)
Quinn Vandecasteele (Match)
Average
Tie Breaks Per Match
N/A
N/A
N/A
Over 0.5
N/A
N/A
N/A
Over 1.5
N/A
N/A
N/A
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
N/A
Under 1.5
N/A
N/A
N/A
Under 2.5
N/A
N/A
N/A
Net Points Won (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Point Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
3 Set Matches
5 Set Matches
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points Won Per Match
N/A
5.5
N/A
Over 4.5 (5+)
N/A
33%
N/A
Over 5.5 (6+)
N/A
33%
N/A
Over 6.5 (7+)
N/A
33%
N/A
Over 7.5 (8+)
N/A
33%
N/A
Over 8.5 (9+)
N/A
0%
N/A
Over 9.5 (10+)
N/A
0%
N/A
Over 10.5 (11+)
N/A
0%
N/A
Over 11.5 (12+)
N/A
0%
N/A
Over 14.5 (15+)
N/A
0%
N/A
Data Point
Justin Boulais
Quinn Vandecasteele
Match Total
Net Points won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (12+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Over 19.5 (20+)
N/A
N/A
N/A
Over 22.5 (23+)
N/A
N/A
N/A
Latest Results For Justin Boulais
Date
Tournament
Player
Opponent
Total Sets
Justin Boulais
8 - 4
Opponent
Total Wins
Justin Boulais
4 - 2
Opponent
Win Percentage
Justin Boulais
67% - 33%
Opponent
Latest Results For Quinn Vandecasteele
Date
Tournament
Player
Opponent
Total Sets
Quinn Vandecasteele
15 - 7
Opponent
Total Wins
Quinn Vandecasteele
7 - 3
Opponent
Win Percentage
Quinn Vandecasteele
70% - 30%
Opponent
Ranking
Elo
Ranking
Elo
Ranking
Elo