Guido Ivan Justo vs Mariano Kestelboim Head-to-Head Stats & Results
Argentina Guido Ivan JustoGuido Ivan Justo - Argentina
63 Average Form
L
W
W
L
L
W
ATP Rank
384
Elo Score
127
Age 27, 1.78m, 77kg
H2H Record
1 - 5
Wins
16.7% - 83.3%
Sets Won
4 - 11
Mariano Kestelboim has won more matches in head to head against Guido Ivan Justo
ArgentinaMariano KestelboimArgentina - Mariano Kestelboim
Average Form 64
W
W
W
W
L
W
L
ATP Rank
466
Elo Score
91
Age 29, 1.85m, 78kg
Verdict : Mariano Kestelboim has won more matches in head to head against Guido Ivan Justo
RECENT RESULT : Brazil, Campinas Chall. Men - Clay Court
Set 1
Set 2
Kestelboim
7
6
Ivan Justo
5
1
April 1, 2025 - Mariano Kestelboim Win
H2H Stats
Latest Results
Match Stats (Live)
Match
Set 1
Set 2
Guido Ivan Justo
Mariano Kestelboim
Service
1
Aces
0
1
Double Faults
3
67%
1st Serve Percentage
50%
62% (23/37)
1st Serve Points Won
53% (17/32)
56% (10/18)
2nd Serve Points Won
34% (11/32)
0% (0/2)
Break Points Saved
50% (6/12)
Return
47% (15/32)
1st Return Points Won
38% (14/37)
66% (21/32)
2nd Return Points Won
44% (8/18)
50% (6/12)
Break Points Converted
100% (2/2)
Points
60% (33/55)
Service Points Won
44% (28/64)
56% (36/64)
Return Points Won
40% (22/55)
58% (69/119)
Total Points Won
42% (50/119)
6
Last 10 Balls
4
0
Match Points Saved
4
Games
78% (7/9)
Service Games Won
40% (4/10)
60% (6/10)
Return Games Won
22% (2/9)
68% (13/19)
Total Games Won
32% (6/19)
Guido Ivan Justo
Mariano Kestelboim
Service
1
Aces
0
1
Double Faults
1
67%
1st Serve Percentage
47%
58% (14/24)
1st Serve Points Won
53% (9/17)
50% (6/12)
2nd Serve Points Won
42% (8/19)
0% (0/2)
Break Points Saved
40% (2/5)
Return
47% (8/17)
1st Return Points Won
42% (10/24)
58% (11/19)
2nd Return Points Won
50% (6/12)
60% (3/5)
Break Points Converted
100% (2/2)
Points
56% (20/36)
Service Points Won
47% (17/36)
53% (19/36)
Return Points Won
44% (16/36)
54% (39/72)
Total Points Won
46% (33/72)
0
Match Points Saved
0
Games
67% (4/6)
Service Games Won
50% (3/6)
50% (3/6)
Return Games Won
33% (2/6)
58% (7/12)
Total Games Won
42% (5/12)
Guido Ivan Justo
Mariano Kestelboim
Service
0
Aces
0
0
Double Faults
2
68%
1st Serve Percentage
54%
69% (9/13)
1st Serve Points Won
53% (8/15)
67% (4/6)
2nd Serve Points Won
23% (3/13)
0% (0/0)
Break Points Saved
57% (4/7)
Return
47% (7/15)
1st Return Points Won
31% (4/13)
77% (10/13)
2nd Return Points Won
33% (2/6)
43% (3/7)
Break Points Converted
0% (0/0)
Points
68% (13/19)
Service Points Won
39% (11/28)
61% (17/28)
Return Points Won
32% (6/19)
64% (30/47)
Total Points Won
36% (17/47)
0
Match Points Saved
4
Games
100% (3/3)
Service Games Won
25% (1/4)
75% (3/4)
Return Games Won
0% (0/3)
86% (6/7)
Total Games Won
14% (1/7)
ALL SURFACES
HARD •
CLAY •
GRASS •
Head-to-Head - Full Stats
Performance
Profile
Data Point
Guido Ivan Justo
Mariano Kestelboim
Prize Money
Career
Career
$54,354USD
$148,002USD
Current Rank
384
466
Wins
H2H
H2H
1(20.0%)
4(80.0%)
Sets Won
H2H
H2H
4(30.8%)
9(69.2%)
Win Percentage
2025 Calendar Year
2025 Calendar Year
62.5%15 / 24 Matches
64.3%18 / 28 Matches
Win Percentage
Last 12 Months
Last 12 Months
65.1%54 / 83 Matches
60.0%39 / 65 Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Main Hand
Right-handed
Right-handed
Age
27
29
Birthday
December 17, 1997
February 6, 1996
Height
1.78m
1.85m
Weight
77kg
78kg
Head-to-Head Record
Date
Tournament
Results
May 18
2024
M15 Neuquen ITF Men
Clay
Guido Ivan Justo
0
-2
Mariano Kestelboim
Mar 11
2024
Santiago Chall. Men
Clay
Guido Ivan Justo
1
-2
Mariano Kestelboim
Sep 8
2023
M15 Olavarria ITF Men
Clay
Guido Ivan Justo
2
-1
Mariano Kestelboim
Feb 14
2021
Concepcion Chall. Men
Clay
Guido Ivan Justo
1
-2
Mariano Kestelboim
Feb 27
2020
M25 Rio Cuarto ITF Men
Clay
Guido Ivan Justo
0
-2
Mariano Kestelboim
Win Percentage (Match / Set)
2025 Calendar Year
Last 12 Months
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Wins
63%
64%
Match Wins (3 Sets)
63%
64%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
38%
50%
Wins From Behind
25%
17%
Won At Least 1 Set
79%
79%
Set 1 Win
50%
57%
Set 2 Win
67%
70%
Set 3 Win
60%
50%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Wins
65%
60%
Match Wins (3 Sets)
65%
60%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
46%
49%
Wins From Behind
29%
13%
Won At Least 1 Set
76%
71%
Set 1 Win
53%
58%
Set 2 Win
69%
62%
Set 3 Win
64%
50%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Aces - Over/Under, Match Total, Average (3 Set Matches)
2025 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Aces Per Match
1.93
1.79
3.72
Most Aces in a match
64%
7%
N/A
1+
71%
71%
90%
2+
57%
36%
71%
3+
36%
29%
57%
4+
29%
21%
43%
5+
0%
14%
29%
6+
0%
0%
22%
7+
0%
0%
18%
8+
0%
0%
11%
9+
0%
0%
7%
10+
0%
0%
7%
15+
0%
0%
4%
20+
0%
0%
0%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Over 0.5
71%
71%
90%
Over 1.5
57%
36%
71%
Over 2.5
36%
29%
57%
Over 3.5
29%
21%
43%
Over 4.5
0%
14%
29%
Over 5.5
0%
7%
22%
Over 6.5
0%
0%
18%
Over 7.5
0%
0%
11%
Over 8.5
0%
0%
7%
Over 9.5
0%
0%
7%
Over 10.5
0%
0%
7%
Over 11.5
0%
0%
7%
Over 12.5
0%
0%
4%
Over 13.5
0%
0%
4%
Over 14.5
0%
0%
4%
Over 15.5
0%
0%
4%
Over 16.5
0%
0%
4%
Over 17.5
0%
0%
4%
Over 18.5
0%
0%
4%
Over 19.5
0%
0%
0%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Under 0.5
29%
29%
11%
Under 1.5
43%
64%
29%
Under 2.5
64%
71%
43%
Under 3.5
71%
79%
57%
Under 4.5
100%
86%
71%
Under 5.5
100%
93%
79%
Under 6.5
100%
100%
83%
Under 7.5
100%
100%
90%
Under 8.5
100%
100%
93%
Under 9.5
100%
100%
93%
Under 10.5
100%
100%
93%
Under 11.5
100%
100%
93%
Under 12.5
100%
100%
97%
Under 13.5
100%
100%
97%
Under 14.5
100%
100%
97%
Milestones
Over
Under
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Aces Per Match
1.43
1.30
2.73
Most Aces in a match
49%
15%
N/A
1+
68%
67%
90%
2+
41%
27%
69%
3+
24%
18%
59%
4+
11%
9%
39%
5+
0%
6%
26%
6+
0%
0%
16%
7+
0%
0%
10%
8+
0%
0%
5%
9+
0%
0%
3%
10+
0%
0%
3%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Over 0.5
68%
67%
90%
Over 1.5
41%
27%
69%
Over 2.5
24%
18%
59%
Over 3.5
11%
9%
39%
Over 4.5
0%
6%
26%
Over 5.5
0%
3%
16%
Over 6.5
0%
0%
10%
Over 7.5
0%
0%
5%
Over 8.5
0%
0%
3%
Over 9.5
0%
0%
3%
Over 10.5
0%
0%
3%
Over 11.5
0%
0%
3%
Over 12.5
0%
0%
2%
Over 13.5
0%
0%
2%
Over 14.5
0%
0%
2%
Over 15.5
0%
0%
4%
Over 16.5
0%
0%
4%
Over 17.5
0%
0%
4%
Over 18.5
0%
0%
4%
Over 19.5
0%
0%
0%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Under 0.5
32%
33%
10%
Under 1.5
59%
73%
31%
Under 2.5
76%
82%
42%
Under 3.5
89%
91%
62%
Under 4.5
100%
94%
75%
Under 5.5
100%
97%
84%
Under 6.5
100%
100%
90%
Under 7.5
100%
100%
96%
Under 8.5
100%
100%
97%
Under 9.5
100%
100%
97%
Under 10.5
100%
100%
97%
Under 11.5
100%
100%
97%
Under 12.5
100%
100%
99%
Under 13.5
100%
100%
99%
Under 14.5
100%
100%
99%
Match Total Games - Over/Under
2025 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.83
8.39
9.11
Over 6.5
100%
86%
93%
Over 7.5
96%
64%
80%
Over 8.5
75%
43%
59%
Over 9.5
46%
29%
38%
Over 10.5
25%
14%
20%
Over 11.5
25%
14%
20%
Over 12.5
17%
0%
9%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
100%
93%
97%
Over 13.5
96%
89%
93%
Over 14.5
96%
89%
93%
Over 15.5
92%
79%
86%
Over 16.5
79%
57%
68%
Over 17.5
75%
54%
65%
Over 18.5
75%
50%
63%
Over 19.5
71%
43%
57%
Over 20.5
63%
36%
50%
Over 21.5
58%
36%
47%
Over 22.5
46%
29%
38%
Over 23.5
46%
29%
38%
Over 24.5
38%
25%
32%
Over 25.5
38%
25%
32%
Over 26.5
33%
25%
29%
Over 27.5
25%
25%
25%
Over 28.5
21%
18%
20%
Over 29.5
17%
18%
18%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
3 Set Matches
5 Set Matches
Total Games In A Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
98%
95%
97%
Over 13.5
92%
91%
92%
Over 14.5
87%
85%
86%
Over 15.5
86%
75%
81%
Over 16.5
73%
60%
67%
Over 17.5
67%
57%
62%
Over 18.5
59%
48%
54%
Over 19.5
52%
42%
47%
Over 20.5
47%
31%
39%
Over 21.5
42%
29%
36%
Over 22.5
34%
25%
30%
Over 23.5
34%
25%
30%
Over 24.5
29%
18%
24%
Over 25.5
24%
18%
21%
Over 26.5
20%
18%
19%
Over 27.5
17%
18%
18%
Over 28.5
13%
12%
13%
Over 29.5
12%
11%
12%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.34
8.6
8.97
Over 6.5
90%
88%
89%
Over 7.5
80%
69%
75%
Over 8.5
64%
51%
58%
Over 9.5
45%
31%
38%
Over 10.5
20%
15%
18%
Over 11.5
20%
15%
18%
Over 12.5
14%
5%
10%
Break of Serve (Break Points Won) - Over/Under
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Breaks Per Match
2.79
3.75
6.54
Over 0.5
93%
100%
100%
Over 1.5
79%
86%
93%
Over 2.5
71%
71%
93%
Over 3.5
50%
57%
90%
Over 4.5
21%
43%
68%
Over 5.5
0%
21%
68%
Over 6.5
0%
0%
47%
Over 7.5
0%
0%
40%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Average Break-Points Converted (Set 1)
1.21
1.71
2.92
Average Break-Points Converted (Set 2)
0.93
1.81
2.74
Average Break-Points Converted (Set 3)
1.8
1
2.8
will Break Serve %
55%
45%
N/A
will not Break Serve %
45%
56%
N/A
Over 0.5
79%
86%
100%
Over 1.5
29%
57%
79%
Over 2.5
0%
29%
61%
Over 3.5
0%
0%
39%
Over 4.5
0%
0%
14%
Over 5.5
0%
0%
0%
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Breaks Per Match
3.23
3.33
6.56
Over 0.5
89%
91%
97%
Over 1.5
81%
79%
94%
Over 2.5
70%
73%
94%
Over 3.5
54%
55%
89%
Over 4.5
38%
36%
72%
Over 5.5
14%
18%
69%
Over 6.5
3%
0%
49%
Over 7.5
0%
0%
37%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Average Break-Points Converted (Set 1)
1.41
1.62
3.03
Average Break-Points Converted (Set 2)
1.42
1.53
2.95
Average Break-Points Converted (Set 3)
1.5
1.17
2.67
will Break Serve %
47%
39%
N/A
will not Break Serve %
40%
51%
N/A
Over 0.5
76%
79%
97%
Over 1.5
49%
58%
81%
Over 2.5
16%
33%
63%
Over 3.5
0%
3%
36%
Breaks Per Set data uses Set 1 as a sample.
Double Faults - Over/Under
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Double Faults Per Match
2.14
3.71
5.85
Over 0.5 (1+)
79%
79%
97%
Over 1.5 (2+)
50%
64%
82%
Over 2.5 (3+)
43%
50%
68%
Over 3.5 (4+)
29%
50%
54%
Over 4.5 (5+)
14%
36%
43%
Over 5.5 (6+)
0%
36%
40%
Over 6.5 (7+)
0%
29%
32%
Over 7.5 (8+)
0%
21%
25%
Over 8.5 (9+)
0%
7%
18%
Over 9.5 (10+)
0%
0%
15%
Over 10.5 (11+)
0%
0%
15%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Double Faults Per Match
2.32
2.85
5.17
Over 0.5 (1+)
84%
85%
96%
Over 1.5 (2+)
59%
61%
87%
Over 2.5 (3+)
43%
45%
73%
Over 3.5 (4+)
24%
33%
62%
Over 4.5 (5+)
14%
21%
51%
Over 5.5 (6+)
8%
15%
42%
Over 6.5 (7+)
0%
12%
30%
Over 7.5 (8+)
0%
9%
19%
Over 8.5 (9+)
0%
3%
13%
Over 9.5 (10+)
0%
0%
9%
Over 10.5 (11+)
0%
0%
9%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
0.33
0.25
0.29
Over 0.5
29%
21%
25%
Over 1.5
4%
4%
4%
Over 2.5
0%
0%
0%
Under 0.5
71%
79%
25%
Under 1.5
96%
96%
4%
Under 2.5
100%
100%
0%
Data Point
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
0.31
0.2
0.26
Over 0.5
27%
18%
22%
Over 1.5
5%
2%
3%
Over 2.5
0%
0%
0%
Under 0.5
27%
18%
22%
Under 1.5
5%
2%
3%
Under 2.5
0%
0%
0%
Data Point
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Head-to-Head (Hard Courts)
Performance
Profile
Data Point
Guido Ivan Justo
Mariano Kestelboim
Wins
H2H
H2H
0(0%)
0(0%)
Sets Won
H2H
H2H
0(0%)
0(0%)
Win Percentage
2025 Calendar Year
2025 Calendar Year
N/A0 / 0 Matches
N/A0 / 0 Matches
Win Percentage
Last 12 Months
Last 12 Months
0.0%0 / 1 Matches
66.7%2 / 3 Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Main Hand
Right-handed
Right-handed
Age
27
29
Birthday
December 17, 1997
February 6, 1996
Height
1.78m
1.85m
Weight
77kg
78kg
Win Percentage (Hard Courts)
2025 Calendar Year
Last 12 Months
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Wins
0%
67%
Match Wins (3 Sets)
0%
67%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
0%
67%
Wins From Behind
0%
0%
Won At Least 1 Set
100%
100%
Set 1 Win
0%
100%
Set 2 Win
100%
67%
Set 3 Win
0%
0%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Aces (Hard Courts)
2025 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Aces Per Match
N/A
1.33
N/A
Most Aces in a match
49%
15%
N/A
1+
N/A
100%
50%
2+
N/A
33%
50%
3+
N/A
0%
33%
4+
N/A
0%
16%
5+
N/A
0%
N/A
6+
N/A
0%
N/A
7+
N/A
0%
N/A
8+
N/A
0%
N/A
9+
N/A
0%
N/A
10+
N/A
0%
N/A
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Over 0.5
N/A
100%
50%
Over 1.5
N/A
33%
50%
Over 2.5
N/A
0%
33%
Over 3.5
N/A
0%
16%
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
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
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Under 0.5
N/A
0%
N/A
Under 1.5
N/A
67%
N/A
Under 2.5
N/A
100%
16%
Under 3.5
N/A
100%
33%
Under 4.5
N/A
100%
50%
Under 5.5
N/A
100%
50%
Under 6.5
N/A
100%
50%
Under 7.5
N/A
100%
50%
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 (Hard Courts)
2025 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.83
8.39
9.11
Over 6.5
100%
86%
93%
Over 7.5
96%
64%
80%
Over 8.5
75%
43%
59%
Over 9.5
46%
29%
38%
Over 10.5
25%
14%
20%
Over 11.5
25%
14%
20%
Over 12.5
17%
0%
9%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
100%
93%
97%
Over 13.5
96%
89%
93%
Over 14.5
96%
89%
93%
Over 15.5
92%
79%
86%
Over 16.5
79%
57%
68%
Over 17.5
75%
54%
65%
Over 18.5
75%
50%
63%
Over 19.5
71%
43%
57%
Over 20.5
63%
36%
50%
Over 21.5
58%
36%
47%
Over 22.5
46%
29%
38%
Over 23.5
46%
29%
38%
Over 24.5
38%
25%
32%
Over 25.5
38%
25%
32%
Over 26.5
33%
25%
29%
Over 27.5
25%
25%
25%
Over 28.5
21%
18%
20%
Over 29.5
17%
18%
18%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
3 Set Matches
5 Set Matches
Total Games In A Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
98%
95%
97%
Over 13.5
92%
91%
92%
Over 14.5
87%
85%
86%
Over 15.5
86%
75%
81%
Over 16.5
73%
60%
67%
Over 17.5
67%
57%
62%
Over 18.5
59%
48%
54%
Over 19.5
52%
42%
47%
Over 20.5
47%
31%
39%
Over 21.5
42%
29%
36%
Over 22.5
34%
25%
30%
Over 23.5
34%
25%
30%
Over 24.5
29%
18%
24%
Over 25.5
24%
18%
21%
Over 26.5
20%
18%
19%
Over 27.5
17%
18%
18%
Over 28.5
13%
12%
13%
Over 29.5
12%
11%
12%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.34
8.6
8.97
Over 6.5
90%
88%
89%
Over 7.5
80%
69%
75%
Over 8.5
64%
51%
58%
Over 9.5
45%
31%
38%
Over 10.5
20%
15%
18%
Over 11.5
20%
15%
18%
Over 12.5
14%
5%
10%
Break Points Won (Hard Courts)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Breaks Per Match
N/A
4
3
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
0%
33%
Over 6.5
N/A
0%
33%
Over 7.5
N/A
0%
33%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Average Break-Points Converted (Set 1)
N/A
2.33
3.03
Average Break-Points Converted (Set 2)
N/A
1.33
2.95
Average Break-Points Converted (Set 3)
N/A
1
2.67
will Break Serve %
N/A
62%
N/A
will not Break Serve %
N/A
33%
N/A
Over 0.5
N/A
100%
97%
Over 1.5
N/A
100%
81%
Over 2.5
N/A
67%
63%
Over 3.5
N/A
33%
36%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Hard Courts)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Double Faults Per Match
N/A
3.67
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
67%
N/A
Over 2.5 (3+)
N/A
67%
N/A
Over 3.5 (4+)
N/A
67%
N/A
Over 4.5 (5+)
N/A
67%
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
Guido Ivan Justo
Mariano Kestelboim
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)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
N/A
0.29
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
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
1
0
0.26
Over 0.5
0%
0%
0%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
100%
100%
100%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
Data Point
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Head-to-Head (Clay Courts)
Performance
Profile
Data Point
Guido Ivan Justo
Mariano Kestelboim
Wins
H2H
H2H
1(20.0%)
4(80.0%)
Sets Won
H2H
H2H
4(30.8%)
9(69.2%)
Win Percentage
2025 Calendar Year
2025 Calendar Year
62.5%15 / 24 Matches
64.3%18 / 28 Matches
Win Percentage
Last 12 Months
Last 12 Months
65.9%54 / 82 Matches
59.7%37 / 62 Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Main Hand
Right-handed
Right-handed
Age
27
29
Birthday
December 17, 1997
February 6, 1996
Height
1.78m
1.85m
Weight
77kg
78kg
Win Percentage (Clay Courts)
2025 Calendar Year
Last 12 Months
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Wins
63%
64%
Match Wins (3 Sets)
63%
64%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
38%
50%
Wins From Behind
25%
17%
Won At Least 1 Set
79%
79%
Set 1 Win
50%
57%
Set 2 Win
67%
70%
Set 3 Win
60%
50%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Wins
66%
60%
Match Wins (3 Sets)
66%
60%
Match Wins (5 Sets)
N/A
N/A
Wins in Straight Sets
46%
48%
Wins From Behind
30%
14%
Won At Least 1 Set
76%
69%
Set 1 Win
54%
56%
Set 2 Win
68%
62%
Set 3 Win
67%
54%
Set 4 Win
N/A
N/A
Set 5 Win
N/A
N/A
Aces (Clay Courts)
2025 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Aces Per Match
1.93
1.79
3.72
Most Aces in a match
64%
7%
N/A
1+
71%
71%
90%
2+
57%
36%
71%
3+
36%
29%
57%
4+
29%
21%
43%
5+
0%
14%
29%
6+
0%
0%
22%
7+
0%
0%
18%
8+
0%
0%
11%
9+
0%
0%
7%
10+
0%
0%
7%
15+
0%
0%
4%
20+
0%
0%
0%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Over 0.5
71%
71%
90%
Over 1.5
57%
36%
71%
Over 2.5
36%
29%
57%
Over 3.5
29%
21%
43%
Over 4.5
0%
14%
29%
Over 5.5
0%
7%
22%
Over 6.5
0%
0%
18%
Over 7.5
0%
0%
11%
Over 8.5
0%
0%
7%
Over 9.5
0%
0%
7%
Over 10.5
0%
0%
7%
Over 11.5
0%
0%
7%
Over 12.5
0%
0%
4%
Over 13.5
0%
0%
4%
Over 14.5
0%
0%
4%
Over 15.5
0%
0%
4%
Over 16.5
0%
0%
4%
Over 17.5
0%
0%
4%
Over 18.5
0%
0%
4%
Over 19.5
0%
0%
0%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Under 0.5
29%
29%
11%
Under 1.5
43%
64%
29%
Under 2.5
64%
71%
43%
Under 3.5
71%
79%
57%
Under 4.5
100%
86%
71%
Under 5.5
100%
93%
79%
Under 6.5
100%
100%
83%
Under 7.5
100%
100%
90%
Under 8.5
100%
100%
93%
Under 9.5
100%
100%
93%
Under 10.5
100%
100%
93%
Under 11.5
100%
100%
93%
Under 12.5
100%
100%
97%
Under 13.5
100%
100%
97%
Under 14.5
100%
100%
97%
Milestones
Over
Under
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Aces Per Match
1.43
1.3
2.73
Most Aces in a match
49%
15%
N/A
1+
68%
63%
90%
2+
41%
27%
68%
3+
24%
20%
58%
4+
11%
10%
39%
5+
0%
7%
27%
6+
0%
0%
17%
7+
0%
0%
11%
8+
0%
0%
5%
9+
0%
0%
4%
10+
0%
0%
4%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Over 0.5
68%
63%
90%
Over 1.5
41%
27%
68%
Over 2.5
24%
20%
58%
Over 3.5
11%
10%
39%
Over 4.5
0%
7%
27%
Over 5.5
0%
3%
17%
Over 6.5
0%
0%
11%
Over 7.5
0%
0%
5%
Over 8.5
0%
0%
4%
Over 9.5
0%
0%
4%
Over 10.5
0%
0%
4%
Over 11.5
0%
0%
4%
Over 12.5
0%
0%
2%
Over 13.5
0%
0%
2%
Over 14.5
0%
0%
2%
Over 15.5
0%
0%
4%
Over 16.5
0%
0%
4%
Over 17.5
0%
0%
4%
Over 18.5
0%
0%
4%
Over 19.5
0%
0%
0%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Under 0.5
32%
37%
11%
Under 1.5
59%
73%
33%
Under 2.5
76%
80%
42%
Under 3.5
89%
90%
61%
Under 4.5
100%
93%
73%
Under 5.5
100%
97%
83%
Under 6.5
100%
100%
90%
Under 7.5
100%
100%
95%
Under 8.5
100%
100%
97%
Under 9.5
100%
100%
97%
Under 10.5
100%
100%
97%
Under 11.5
100%
100%
97%
Under 12.5
100%
100%
99%
Under 13.5
100%
100%
99%
Under 14.5
100%
100%
99%
Match Total Games (Clay Courts)
2025 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.83
8.39
9.11
Over 6.5
100%
86%
93%
Over 7.5
96%
64%
80%
Over 8.5
75%
43%
59%
Over 9.5
46%
29%
38%
Over 10.5
25%
14%
20%
Over 11.5
25%
14%
20%
Over 12.5
17%
0%
9%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
100%
93%
97%
Over 13.5
96%
89%
93%
Over 14.5
96%
89%
93%
Over 15.5
92%
79%
86%
Over 16.5
79%
57%
68%
Over 17.5
75%
54%
65%
Over 18.5
75%
50%
63%
Over 19.5
71%
43%
57%
Over 20.5
63%
36%
50%
Over 21.5
58%
36%
47%
Over 22.5
46%
29%
38%
Over 23.5
46%
29%
38%
Over 24.5
38%
25%
32%
Over 25.5
38%
25%
32%
Over 26.5
33%
25%
29%
Over 27.5
25%
25%
25%
Over 28.5
21%
18%
20%
Over 29.5
17%
18%
18%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
3 Set Matches
5 Set Matches
Total Games In A Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
98%
95%
97%
Over 13.5
92%
91%
92%
Over 14.5
87%
85%
86%
Over 15.5
86%
75%
81%
Over 16.5
73%
60%
67%
Over 17.5
67%
57%
62%
Over 18.5
59%
48%
54%
Over 19.5
52%
42%
47%
Over 20.5
47%
31%
39%
Over 21.5
42%
29%
36%
Over 22.5
34%
25%
30%
Over 23.5
34%
25%
30%
Over 24.5
29%
18%
24%
Over 25.5
24%
18%
21%
Over 26.5
20%
18%
19%
Over 27.5
17%
18%
18%
Over 28.5
13%
12%
13%
Over 29.5
12%
11%
12%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.34
8.6
8.97
Over 6.5
90%
88%
89%
Over 7.5
80%
69%
75%
Over 8.5
64%
51%
58%
Over 9.5
45%
31%
38%
Over 10.5
20%
15%
18%
Over 11.5
20%
15%
18%
Over 12.5
14%
5%
10%
Break Points Won (Clay Courts)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Breaks Per Match
2.79
3.75
6.54
Over 0.5
93%
100%
100%
Over 1.5
79%
86%
93%
Over 2.5
71%
71%
93%
Over 3.5
50%
57%
90%
Over 4.5
21%
43%
68%
Over 5.5
0%
21%
68%
Over 6.5
0%
0%
47%
Over 7.5
0%
0%
40%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Average Break-Points Converted (Set 1)
1.21
1.71
2.92
Average Break-Points Converted (Set 2)
0.93
1.81
2.74
Average Break-Points Converted (Set 3)
1.8
1
2.8
will Break Serve %
55%
45%
N/A
will not Break Serve %
45%
56%
N/A
Over 0.5
79%
86%
100%
Over 1.5
29%
57%
79%
Over 2.5
0%
29%
61%
Over 3.5
0%
0%
39%
Over 4.5
0%
0%
14%
Over 5.5
0%
0%
0%
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Breaks Per Match
3.23
3.27
6.5
Over 0.5
89%
90%
97%
Over 1.5
81%
77%
94%
Over 2.5
70%
70%
94%
Over 3.5
54%
50%
88%
Over 4.5
38%
33%
73%
Over 5.5
14%
20%
70%
Over 6.5
3%
0%
48%
Over 7.5
0%
0%
36%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Average Break-Points Converted (Set 1)
1.41
1.55
3.03
Average Break-Points Converted (Set 2)
1.42
1.56
2.95
Average Break-Points Converted (Set 3)
1.5
1.19
2.67
will Break Serve %
47%
37%
N/A
will not Break Serve %
40%
52%
N/A
Over 0.5
76%
77%
97%
Over 1.5
49%
53%
81%
Over 2.5
16%
30%
63%
Over 3.5
0%
0%
36%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Clay Courts)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Match Total
Double Faults Per Match
2.14
3.71
5.85
Over 0.5 (1+)
79%
79%
97%
Over 1.5 (2+)
50%
64%
82%
Over 2.5 (3+)
43%
50%
68%
Over 3.5 (4+)
29%
50%
54%
Over 4.5 (5+)
14%
36%
43%
Over 5.5 (6+)
0%
36%
40%
Over 6.5 (7+)
0%
29%
32%
Over 7.5 (8+)
0%
21%
25%
Over 8.5 (9+)
0%
7%
18%
Over 9.5 (10+)
0%
0%
15%
Over 10.5 (11+)
0%
0%
15%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Double Faults Per Match
2.32
2.77
5.09
Over 0.5 (1+)
84%
83%
95%
Over 1.5 (2+)
59%
60%
86%
Over 2.5 (3+)
43%
43%
72%
Over 3.5 (4+)
24%
30%
60%
Over 4.5 (5+)
14%
17%
48%
Over 5.5 (6+)
8%
17%
41%
Over 6.5 (7+)
0%
13%
29%
Over 7.5 (8+)
0%
10%
20%
Over 8.5 (9+)
0%
3%
14%
Over 9.5 (10+)
0%
0%
10%
Over 10.5 (11+)
0%
0%
10%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
0.33
0.25
0.29
Over 0.5
21%
18%
20%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
79%
82%
81%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
Data Point
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
0.3
0.21
0.26
Over 0.5
17%
13%
15%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
83%
87%
85%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
Data Point
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Head-to-Head (Grass Courts)
Performance
Profile
Data Point
Guido Ivan Justo
Mariano Kestelboim
Wins
H2H
H2H
0(0%)
0(0%)
Sets Won
H2H
H2H
0(0%)
0(0%)
Win Percentage
2025 Calendar Year
2025 Calendar Year
N/A0 / 0 Matches
N/A0 / 0 Matches
Win Percentage
Last 12 Months
Last 12 Months
N/A0 / 0 Matches
N/A0 / 0 Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Main Hand
Right-handed
Right-handed
Age
27
29
Birthday
December 17, 1997
February 6, 1996
Height
1.78m
1.85m
Weight
77kg
78kg
Win Percentage (Grass Courts)
2025 Calendar Year
Last 12 Months
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Aces (Grass Courts)
2025 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Aces Per Match
N/A
N/A
N/A
Most Aces in a match
49%
15%
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
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Match Total Games (Grass Courts)
2025 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.83
8.39
9.11
Over 6.5
100%
86%
93%
Over 7.5
96%
64%
80%
Over 8.5
75%
43%
59%
Over 9.5
46%
29%
38%
Over 10.5
25%
14%
20%
Over 11.5
25%
14%
20%
Over 12.5
17%
0%
9%
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
100%
93%
97%
Over 13.5
96%
89%
93%
Over 14.5
96%
89%
93%
Over 15.5
92%
79%
86%
Over 16.5
79%
57%
68%
Over 17.5
75%
54%
65%
Over 18.5
75%
50%
63%
Over 19.5
71%
43%
57%
Over 20.5
63%
36%
50%
Over 21.5
58%
36%
47%
Over 22.5
46%
29%
38%
Over 23.5
46%
29%
38%
Over 24.5
38%
25%
32%
Over 25.5
38%
25%
32%
Over 26.5
33%
25%
29%
Over 27.5
25%
25%
25%
Over 28.5
21%
18%
20%
Over 29.5
17%
18%
18%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
3 Set Matches
5 Set Matches
Total Games In A Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Over 12.5
98%
95%
97%
Over 13.5
92%
91%
92%
Over 14.5
87%
85%
86%
Over 15.5
86%
75%
81%
Over 16.5
73%
60%
67%
Over 17.5
67%
57%
62%
Over 18.5
59%
48%
54%
Over 19.5
52%
42%
47%
Over 20.5
47%
31%
39%
Over 21.5
42%
29%
36%
Over 22.5
34%
25%
30%
Over 23.5
34%
25%
30%
Over 24.5
29%
18%
24%
Over 25.5
24%
18%
21%
Over 26.5
20%
18%
19%
Over 27.5
17%
18%
18%
Over 28.5
13%
12%
13%
Over 29.5
12%
11%
12%
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Data Point
Guido Ivan Justo
Mariano Kestelboim
Average
Average Games in a Set
9.34
8.6
8.97
Over 6.5
90%
88%
89%
Over 7.5
80%
69%
75%
Over 8.5
64%
51%
58%
Over 9.5
45%
31%
38%
Over 10.5
20%
15%
18%
Over 11.5
20%
15%
18%
Over 12.5
14%
5%
10%
Break Points Won (Grass Courts)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
Match Total
Average Break-Points Converted (Set 1)
N/A
N/A
3.03
Average Break-Points Converted (Set 2)
N/A
N/A
2.95
Average Break-Points Converted (Set 3)
N/A
N/A
2.67
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
97%
Over 1.5
N/A
N/A
81%
Over 2.5
N/A
N/A
63%
Over 3.5
N/A
N/A
36%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Grass Courts)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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
Guido Ivan Justo
Mariano Kestelboim
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)
2025 Calendar Year
Last 12 Months
3 Set Matches
5 Set Matches
Data Point
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
N/A
0.29
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
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Guido Ivan Justo
(Match)
(Match)
Mariano Kestelboim
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
N/A
0.26
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
Guido Ivan Justo (Match)
Mariano Kestelboim (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
Latest Results For Guido Ivan Justo
Date
Tournament
Player
Opponent
Total Sets
Guido Ivan Justo
12 - 6
Opponent
Total Wins
Guido Ivan Justo
5 - 3
Opponent
Win Percentage
Guido Ivan Justo
63% - 37%
Opponent
Latest Results For Mariano Kestelboim
Date
Tournament
Player
Opponent
Total Sets
Mariano Kestelboim
14 - 7
Opponent
Total Wins
Mariano Kestelboim
7 - 3
Opponent
Win Percentage
Mariano Kestelboim
70% - 30%
Opponent
Match Odds
Decimal
Market
Odds
Match Winner - Mariano Kestelboim
1.83
Match Winner - Guido Ivan Justo
1.83
Set 1 Winner - Mariano Kestelboim
1.83
Set 1 Winner - Guido Ivan Justo
1.83
Ranking
Elo
Ranking
Elo