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William Jansen Stats, Ranking & Age
William Jansen - United Kingdom
44 Below Average Form
L
L
L
W
W
L
L
ATP Rank
1,174
Elo Score
8
Singles - Career
Age
W-L
Career Winnings
Height
Weight
Hand
20
23 - 29
$20,809
1.88m
86kg
Left-handed
William Jansen is recently performing at a below average level. William Jansen's record in 2025 is 23 wins to 29 losses. Their career record is 23 wins to 29 losses.
Stats
Matches & Results
Surface : All
2025 Stats
All Surfaces
Hard
Clay
Grass
General Overview Stats (All Surfaces)
Performance
Profile
Data Point
Total
Details
Percentile
Prize Money
Career Total
Career Total
$20,809USD Earned
$400Earned Per Match
38
Current Ranking
ATP - Men
ATP - Men
1,174Since Jul 2024
8Elo Points
44
Win Percentage
2025 Year
2025 Year
44.2%23 / 52 Matches
Below AverageBad Form
47
Win Percentage
Trailing 12 Months
Trailing 12 Months
46.7%7 / 15 Matches
Below AverageBad Form
50
Win Percentage
Career Total
Career Total
44.2%23 / 52 Matches
Below AverageBad Form
52
On the Court This Year
Aces
2025
2025
4.5Aces Per Match
Good18 / 4 matches
75
First Serve
2025
2025
66.8%First Serve
Very GoodSuccess Rate
83
Double Faults
2025
2025
3.25Per Match
Below Average13 / 4 matches
45
Break Points Won
2025
2025
5.5%BP Converted
Very Bad1.62 Breaks
0
William Jansen is ranked 1,174 in the ATP rankings with an ELO score of 8. In 2025, William Jansen is in Below Average form, achieving 44.2% wins. William Jansen hits 66.8% on first serves, averaging 4.5 aces per match and maintains a double fault ratio of 3.25. William Jansen converts 5.5% of their break points.
Data Point
Stat
Age
20
Forehand
Left-handed
Backhand
Two-handed
Birthday
December 6, 2004
Height
1.88m
Weight
86kg
Win Percentage (Match / Set)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Match Wins
44%
47%
54
Match Wins (3 Sets)
45%
47%
55
Match Wins (5 Sets)
0%
N/A
N/A
Wins in Straight Sets
33%
40%
60
Wins From Behind
13%
11%
61
Won At Least 1 Set
63%
60%
56
Set 1 Win
46%
47%
53
Set 2 Win
50%
53%
59
Set 3 Win
40%
33%
36
Set 4 Win
N/A
N/A
0
Set 5 Win
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Match Wins
44%
23 / 52
53
Match Wins (3 Sets)
45%
23 / 51
55
Match Wins (5 Sets)
0%
0 / 1
0
Wins in Straight Sets
33%
17 / 52
65
Wins From Behind
13%
4 times
56
Won At Least 1 Set
63%
33 / 52
55
Set 1 Win
46%
24 / 52
52
Set 2 Win
50%
26 / 52
66
Set 3 Win
40%
6 / 15
31
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0
Aces Stats (3 Set Matches Only)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Aces Per Match
4.5
5.5
75
Most Aces in a match
25%
50%
16
Over 0.5 Aces
100%
100%
59
Over 1.5 Aces
100%
100%
76
Over 2.5 Aces
75%
100%
67
Over 3.5 Aces
50%
50%
50
Over 4.5 Aces
50%
50%
62
Over 5.5 Aces
25%
50%
43
Over 6.5 Aces
25%
50%
53
Over 7.5 Aces
25%
50%
64
Over 8.5 Aces
0%
0%
0
Over 9.5 Aces
0%
0%
0
Over 14.5 Aces
0%
0%
0
William Jansen has an average of 4.5 aces per match in 2025. William Jansen recorded Over 0.5 aces in 100% of their matches, Over 1.5 aces in 100%, and Over 2.5 aces in 75%.
For the higher aces count, William Jansen recorded Over 3.5 aces in 50% of their matches, Over 4.5 aces in 50%, Over 5.5 aces in 25%, and Over 6.5 aces in 25%. Overall, William Jansen is better than 75% of the players in terms of Aces Per Match during their latest matches.
Data Point
Percentage
Number
Percentile
Aces Per Match
4.5
18 / 4
72
Over 0.5 Aces
100%
4 / 4
75
Over 1.5 Aces
100%
4 / 4
86
Over 2.5 Aces
75%
3 / 4
72
Over 3.5 Aces
50%
2 / 4
55
Over 4.5 Aces
50%
2 / 4
68
Over 5.5 Aces
25%
1 / 4
47
Over 6.5 Aces
25%
1 / 4
58
Over 7.5 Aces
25%
1 / 4
68
Over 8.5 Aces
0%
0 / 4
0
Over 9.5 Aces
0%
0 / 4
0
Over 14.5 Aces
0%
0 / 4
0
Match Total Games Stats
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
22.06
21.67
76
Average Total Games (5 Set Matches)
26
N/A
54
Over 12.5
98%
100%
35
Over 13.5
98%
100%
53
Over 14.5
92%
100%
45
Over 15.5
90%
100%
64
Over 16.5
82%
93%
65
Over 17.5
75%
80%
68
Over 18.5
71%
80%
80
Over 19.5
63%
67%
81
Over 20.5
49%
47%
61
Over 21.5
41%
33%
54
Over 22.5
37%
20%
58
Over 23.5
27%
20%
35
Over 24.5
25%
13%
32
Over 25.5
24%
13%
42
Over 26.5
22%
13%
48
Over 27.5
20%
13%
49
Over 28.5
18%
13%
58
Over 29.5
16%
13%
62
Over 30.5
14%
13%
68
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
22.06
69
Over 12.5
98%
44
Over 13.5
98%
68
Over 14.5
92%
36
Over 15.5
90%
61
Over 16.5
82%
56
Over 17.5
75%
64
Over 18.5
71%
81
Over 19.5
63%
82
Over 20.5
49%
57
Over 21.5
41%
45
Over 22.5
37%
54
Over 23.5
27%
27
Over 24.5
25%
24
Over 25.5
24%
35
Over 26.5
22%
43
Over 27.5
20%
48
Over 28.5
18%
58
Over 29.5
16%
68
Over 30.5
14%
76
Break of Serve (Break Points Won) - Over/Under
2025 & Last 12
Career
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Last 12
Percentile
Breaks Per Match
1.62
2
4
Over 0.5
25%
50%
0
Over 1.5
25%
50%
0
Over 2.5
0%
0%
0
Over 3.5
0%
0%
0
Over 4.5
0%
0%
0
Over 5.5
0%
0%
0
Over 6.5
0%
0%
0
In 2025, William Jansen has an average of 1.62 break points won per match in best of 3 set matches. William Jansen has recorded Over 0.5 breaks of serve in 25% of their matches, Over 1.5 breaks of serve in 25%, and Over 2.5 breaks of serve in 0%. For higher break counts, William Jansen has achieved Over 3.5 breaks in 0% of their matches and Over 4.5 breaks in 0%. For William Jansen’s Over 5.5 break points won, the rate is 0%.
Data Point
2025
Last 12
Percentile
Breaks Per Match
6.5
N/A
99
Over 0.5
100%
N/A
68
Over 1.5
100%
N/A
85
Over 2.5
100%
N/A
94
Over 3.5
100%
N/A
96
Over 4.5
100%
N/A
98
Over 5.5
0%
N/A
0
Over 6.5
0%
N/A
0
Over 7.5
0%
N/A
0
Over 8.5
0%
N/A
0
Data Point
2025
Last 12
Percentile
Average Break-Points Converted (Set 1)
1
1.50
18
Average Break-Points Converted (Set 2)
0.62
0.50
4
Average Break-Points Converted (Set 3)
0
0.00
0
will Break Serve %
8%
17%
0
will not Break Serve %
53%
40%
70
Over 0.5
25%
50%
0
Over 1.5
25%
50%
11
Over 2.5
0%
0%
0
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Number
Percentile
Breaks Per Match
1.62
N/A
10
Over 0.5
25%
1 / 4
2
Over 1.5
25%
1 / 4
4
Over 2.5
0%
0 / 4
0
Over 3.5
0%
0 / 4
0
Over 4.5
0%
0 / 4
0
Over 5.5
0%
0 / 4
0
Over 6.5
0%
0 / 4
0
Data Point
2025
Number
Percentile
Breaks Per Match
6.5
N/A
99
Over 0.5
100%
1 / 1
73
Over 1.5
100%
1 / 1
87
Over 2.5
100%
1 / 1
93
Over 3.5
100%
1 / 1
97
Over 4.5
100%
1 / 1
98
Over 5.5
0%
0 / 1
0
Over 6.5
0%
0 / 1
0
Over 7.5
0%
0 / 1
0
Over 8.5
0%
0 / 1
0
Data Point
2025
Number
Percentile
Average Break-Points Converted (Set 1)
1.00
N/A
33
Average Break-Points Converted (Set 2)
0.62
N/A
4
Average Break-Points Converted (Set 3)
0.00
N/A
0
will Break Serve %
8%
N/A
3
will not Break Serve %
53%
N/A
78
Over 0.5
25%
1 / 4
5
Over 1.5
25%
1 / 4
27
Over 2.5
0%
0 / 4
0
Breaks Per Set data uses Set 1 as a sample.
Double Faults - Over/Under
2025 & Last 12 Months
Career
3 Set Matches
5 Set Matches
Data Point
2025
Last 12
Percentile
Double Faults Per Match
3.25
4
45
Over 0.5 (1+)
100%
100%
53
Over 1.5 (2+)
100%
100%
37
Over 2.5 (3+)
50%
50%
71
Over 3.5 (4+)
25%
50%
80
Over 4.5 (5+)
25%
50%
60
Over 5.5 (6+)
25%
50%
44
Over 6.5 (7+)
0%
0%
100
Over 7.5 (8+)
0%
0%
100
In their recent matches, William Jansen averaged 3.25 double faults per match in best of 3 set matches. William Jansen has recorded Over 0.5 double faults in 100% of their matches and Over 1.5 double faults in 100%. For the higher double fault counts, William Jansen has recorded Over 2.5 double faults in 50% of their recent matches, Over 3.5 double faults in 25% of those, Over 4.5 double faults in 25%, and Over 5.5 double faults in 25%
Data Point
2025
Last 12
Percentile
Double Faults Per Match
7
N/A
4
Over 0.5 (1+)
100%
N/A
53
Over 1.5 (2+)
100%
N/A
31
Over 2.5 (3+)
100%
N/A
18
Over 3.5 (4+)
100%
N/A
14
Over 4.5 (5+)
100%
N/A
10
Over 5.5 (6+)
100%
N/A
6
Over 6.5 (7+)
100%
N/A
5
Over 7.5 (8+)
0%
N/A
100
Over 8.5 (9+)
0%
N/A
100
Over 9.5 (10+)
0%
N/A
100
Over 10.5 (11+)
0%
N/A
100
In their recent matches, William Jansen averaged 7 double faults per match in best of 5 sets matches. William Jansen has recorded Over 0.5 double faults in 100% of their matches and Over 1.5 double faults in 100%.
3 Set Matches
5 Set Matches
Data Point
2025
Number
Percentile
Double Faults Per Match
3.25
13 / 4
35
Over 0.5 (1+)
100%
4 / 4
32
Over 1.5 (2+)
100%
4 / 4
22
Over 2.5 (3+)
50%
2 / 4
56
Over 3.5 (4+)
25%
1 / 4
71
Over 4.5 (5+)
25%
1 / 4
47
Over 5.5 (6+)
25%
1 / 4
29
Over 6.5 (7+)
0%
0 / 4
100
Over 7.5 (8+)
0%
0 / 4
100
Data Point
2025
Number
Percentile
Double Faults Per Match
7
7 / 1
2
Over 0.5 (1+)
100%
1 / 1
33
Over 1.5 (2+)
100%
1 / 1
19
Over 2.5 (3+)
100%
1 / 1
12
Over 3.5 (4+)
100%
1 / 1
8
Over 4.5 (5+)
100%
1 / 1
6
Over 5.5 (6+)
100%
1 / 1
3
Over 6.5 (7+)
100%
1 / 1
2
Over 7.5 (8+)
0%
0 / 1
100
Over 8.5 (9+)
0%
0 / 1
100
Over 9.5 (10+)
0%
0 / 1
100
Over 10.5 (11+)
0%
0 / 1
100
Win Percentage (Hard Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Match Wins
49%
50%
62
Match Wins (3 Sets)
49%
50%
61
Match Wins (5 Sets)
N/A
N/A
N/A
Wins in Straight Sets
34%
43%
65
Wins From Behind
17%
13%
73
Won At Least 1 Set
66%
64%
61
Set 1 Win
46%
50%
53
Set 2 Win
54%
57%
72
Set 3 Win
50%
33%
49
Set 4 Win
N/A
N/A
0
Set 5 Win
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Match Wins
49%
20 / 41
53
Match Wins (3 Sets)
49%
20 / 41
55
Match Wins (5 Sets)
N/A
0 / 0
0
Wins in Straight Sets
34%
14 / 41
65
Wins From Behind
17%
4 times
56
Won At Least 1 Set
66%
27 / 41
55
Set 1 Win
46%
19 / 41
52
Set 2 Win
54%
22 / 41
66
Set 3 Win
50%
6 / 12
31
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0
Aces (Hard Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Aces Per Match
6.5
8
84
Most Aces in a match
50%
100%
48
Over 0.5 Aces
100%
100%
44
Over 1.5 Aces
100%
100%
67
Over 2.5 Aces
100%
100%
79
Over 3.5 Aces
100%
100%
84
Over 4.5 Aces
100%
100%
89
Over 5.5 Aces
50%
100%
60
Over 6.5 Aces
50%
100%
69
Over 7.5 Aces
50%
100%
77
Over 8.5 Aces
0%
0%
0
Over 9.5 Aces
0%
0%
0
Over 14.5 Aces
0%
0%
0
Data Point
Percentage
Number
Percentile
Aces Per Match
6.5
13 / 2
83
Over 0.5 Aces
100%
2 / 2
65
Over 1.5 Aces
100%
2 / 2
79
Over 2.5 Aces
100%
2 / 2
86
Over 3.5 Aces
100%
2 / 2
91
Over 4.5 Aces
100%
2 / 2
94
Over 5.5 Aces
50%
1 / 2
66
Over 6.5 Aces
50%
1 / 2
76
Over 7.5 Aces
50%
1 / 2
83
Over 8.5 Aces
0%
0 / 2
0
Over 9.5 Aces
0%
0 / 2
0
Over 14.5 Aces
0%
0 / 2
0
Match Total Games (Hard Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
21.85
21.71
66
Average Total Games (5 Set Matches)
N/A
N/A
0
Over 12.5
98%
100%
35
Over 13.5
98%
100%
53
Over 14.5
92%
100%
45
Over 15.5
90%
100%
64
Over 16.5
82%
93%
65
Over 17.5
75%
80%
68
Over 18.5
71%
80%
80
Over 19.5
63%
67%
81
Over 20.5
49%
47%
61
Over 21.5
41%
33%
54
Over 22.5
37%
20%
58
Over 23.5
27%
20%
35
Over 24.5
25%
13%
32
Over 25.5
24%
13%
42
Over 26.5
22%
13%
48
Over 27.5
20%
13%
49
Over 28.5
18%
13%
58
Over 29.5
16%
13%
62
Over 30.5
14%
13%
68
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
21.85
56
Over 12.5
98%
44
Over 13.5
98%
68
Over 14.5
92%
36
Over 15.5
90%
61
Over 16.5
82%
56
Over 17.5
75%
64
Over 18.5
71%
81
Over 19.5
63%
82
Over 20.5
49%
57
Over 21.5
41%
45
Over 22.5
37%
54
Over 23.5
27%
27
Over 24.5
25%
24
Over 25.5
24%
35
Over 26.5
22%
43
Over 27.5
20%
48
Over 28.5
18%
58
Over 29.5
16%
68
Over 30.5
14%
76
Break Points Won (Hard Courts)
2025 & Last 12
Career
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Last 12
Percentile
Breaks Per Match
1.25
1
1
Over 0.5
0%
0%
0
Over 1.5
0%
0%
0
Over 2.5
0%
0%
0
Over 3.5
0%
0%
0
Over 4.5
0%
0%
0
Over 5.5
0%
0%
0
Over 6.5
0%
0%
0
Data Point
2025
Last 12
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Over 3.5
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Over 7.5
N/A
N/A
0
Over 8.5
N/A
N/A
0
Data Point
2025
Last 12
Percentile
Average Break-Points Converted (Set 1)
0.75
1.00
10
Average Break-Points Converted (Set 2)
0.5
0.00
0
Average Break-Points Converted (Set 3)
0
0.00
0
will Break Serve %
0%
0%
0
will not Break Serve %
42%
50%
47
Over 0.5
0%
0%
0
Over 1.5
0%
0%
0
Over 2.5
0%
0%
0
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Number
Percentile
Breaks Per Match
1.25
N/A
5
Over 0.5
0%
0 / 2
0
Over 1.5
0%
0 / 2
0
Over 2.5
0%
0 / 2
0
Over 3.5
0%
0 / 2
0
Over 4.5
0%
0 / 2
0
Over 5.5
0%
0 / 2
0
Over 6.5
0%
0 / 2
0
Data Point
2025
Number
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Over 3.5
N/A
0 / 0
0
Over 4.5
N/A
0 / 0
0
Over 5.5
N/A
0 / 0
0
Over 6.5
N/A
0 / 0
0
Over 7.5
N/A
0 / 0
0
Over 8.5
N/A
0 / 0
0
Data Point
2025
Number
Percentile
Average Break-Points Converted (Set 1)
0.75
N/A
19
Average Break-Points Converted (Set 2)
0.50
N/A
0
Average Break-Points Converted (Set 3)
0.00
N/A
0
will Break Serve %
0%
N/A
0
will not Break Serve %
42%
N/A
61
Over 0.5
0%
0 / 2
0
Over 1.5
0%
0 / 2
0
Over 2.5
0%
0 / 2
0
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Hard Courts)
2025 & Last 12 Months
Career
3 Set Matches
5 Set Matches
Data Point
2025
Last 12
Percentile
Double Faults Per Match
4.5
6
22
Over 0.5 (1+)
100%
100%
57
Over 1.5 (2+)
100%
100%
38
Over 2.5 (3+)
100%
100%
27
Over 3.5 (4+)
50%
100%
49
Over 4.5 (5+)
50%
100%
34
Over 5.5 (6+)
50%
100%
25
Over 6.5 (7+)
0%
0%
100
Over 7.5 (8+)
0%
0%
100
Data Point
2025
Last 12
Percentile
Double Faults Per Match
N/A
N/A
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Over 8.5 (9+)
N/A
N/A
100
Over 9.5 (10+)
N/A
N/A
100
Over 10.5 (11+)
N/A
N/A
100
3 Set Matches
5 Set Matches
Data Point
2025
Number
Percentile
Double Faults Per Match
4.5
9 / 2
14
Over 0.5 (1+)
100%
2 / 2
35
Over 1.5 (2+)
100%
2 / 2
24
Over 2.5 (3+)
100%
2 / 2
17
Over 3.5 (4+)
50%
1 / 2
34
Over 4.5 (5+)
50%
1 / 2
21
Over 5.5 (6+)
50%
1 / 2
14
Over 6.5 (7+)
0%
0 / 2
100
Over 7.5 (8+)
0%
0 / 2
100
Data Point
2025
Number
Percentile
Double Faults Per Match
N/A
0 / 0
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Over 8.5 (9+)
N/A
N/A
100
Over 9.5 (10+)
N/A
N/A
100
Over 10.5 (11+)
N/A
N/A
100
Win Percentage (Clay Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Match Wins
N/A
N/A
0
Match Wins (3 Sets)
N/A
N/A
0
Match Wins (5 Sets)
N/A
N/A
N/A
Wins in Straight Sets
N/A
N/A
0
Wins From Behind
N/A
N/A
0
Won At Least 1 Set
N/A
N/A
0
Set 1 Win
N/A
N/A
0
Set 2 Win
N/A
N/A
0
Set 3 Win
N/A
N/A
0
Set 4 Win
N/A
N/A
0
Set 5 Win
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Match Wins
N/A
0 / 0
53
Match Wins (3 Sets)
N/A
0 / 0
55
Match Wins (5 Sets)
N/A
0 / 0
0
Wins in Straight Sets
N/A
0 / 0
65
Wins From Behind
N/A
0 times
56
Won At Least 1 Set
N/A
0 / 0
55
Set 1 Win
N/A
0 / 0
52
Set 2 Win
N/A
0 / 0
66
Set 3 Win
N/A
0 / 0
31
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0
Aces (Clay Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Aces Per Match
N/A
N/A
0
Most Aces in a match
N/A
N/A
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Aces Per Match
N/A
0 / 0
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0
Match Total Games (Clay Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
N/A
N/A
0
Average Total Games (5 Set Matches)
N/A
N/A
0
Over 12.5
98%
100%
35
Over 13.5
98%
100%
53
Over 14.5
92%
100%
45
Over 15.5
90%
100%
64
Over 16.5
82%
93%
65
Over 17.5
75%
80%
68
Over 18.5
71%
80%
80
Over 19.5
63%
67%
81
Over 20.5
49%
47%
61
Over 21.5
41%
33%
54
Over 22.5
37%
20%
58
Over 23.5
27%
20%
35
Over 24.5
25%
13%
32
Over 25.5
24%
13%
42
Over 26.5
22%
13%
48
Over 27.5
20%
13%
49
Over 28.5
18%
13%
58
Over 29.5
16%
13%
62
Over 30.5
14%
13%
68
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
N/A
0
Over 12.5
98%
44
Over 13.5
98%
68
Over 14.5
92%
36
Over 15.5
90%
61
Over 16.5
82%
56
Over 17.5
75%
64
Over 18.5
71%
81
Over 19.5
63%
82
Over 20.5
49%
57
Over 21.5
41%
45
Over 22.5
37%
54
Over 23.5
27%
27
Over 24.5
25%
24
Over 25.5
24%
35
Over 26.5
22%
43
Over 27.5
20%
48
Over 28.5
18%
58
Over 29.5
16%
68
Over 30.5
14%
76
Break Points Won (Clay Courts)
2025 & Last 12
Career
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Last 12
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Over 3.5
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Data Point
2025
Last 12
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Over 3.5
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Over 7.5
N/A
N/A
0
Over 8.5
N/A
N/A
0
Data Point
2025
Last 12
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Number
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Over 3.5
N/A
0 / 0
0
Over 4.5
N/A
0 / 0
0
Over 5.5
N/A
0 / 0
0
Over 6.5
N/A
0 / 0
0
Data Point
2025
Number
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Over 3.5
N/A
0 / 0
0
Over 4.5
N/A
0 / 0
0
Over 5.5
N/A
0 / 0
0
Over 6.5
N/A
0 / 0
0
Over 7.5
N/A
0 / 0
0
Over 8.5
N/A
0 / 0
0
Data Point
2025
Number
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Clay Courts)
2025 & Last 12 Months
Career
3 Set Matches
5 Set Matches
Data Point
2025
Last 12
Percentile
Double Faults Per Match
N/A
N/A
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Data Point
2025
Last 12
Percentile
Double Faults Per Match
N/A
N/A
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Over 8.5 (9+)
N/A
N/A
100
Over 9.5 (10+)
N/A
N/A
100
Over 10.5 (11+)
N/A
N/A
100
3 Set Matches
5 Set Matches
Data Point
2025
Number
Percentile
Double Faults Per Match
N/A
0 / 0
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Data Point
2025
Number
Percentile
Double Faults Per Match
N/A
0 / 0
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Over 8.5 (9+)
N/A
N/A
100
Over 9.5 (10+)
N/A
N/A
100
Over 10.5 (11+)
N/A
N/A
100
Win Percentage (Grass Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Match Wins
30%
0%
32
Match Wins (3 Sets)
30%
0%
32
Match Wins (5 Sets)
0%
N/A
N/A
Wins in Straight Sets
30%
0%
54
Wins From Behind
0%
0%
0
Won At Least 1 Set
50%
0%
31
Set 1 Win
40%
0%
41
Set 2 Win
40%
0%
42
Set 3 Win
0%
N/A
0
Set 4 Win
N/A
N/A
0
Set 5 Win
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Match Wins
30%
3 / 10
53
Match Wins (3 Sets)
30%
3 / 10
55
Match Wins (5 Sets)
0%
0 / 1
0
Wins in Straight Sets
30%
3 / 10
65
Wins From Behind
0%
0 times
56
Won At Least 1 Set
50%
5 / 10
55
Set 1 Win
40%
4 / 10
52
Set 2 Win
40%
4 / 10
66
Set 3 Win
0%
0 / 2
31
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0
Aces (Grass Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Aces Per Match
2.5
3
27
Most Aces in a match
0%
0%
0
Over 0.5 Aces
100%
100%
24
Over 1.5 Aces
100%
100%
41
Over 2.5 Aces
50%
100%
15
Over 3.5 Aces
0%
0%
0
Over 4.5 Aces
0%
0%
0
Over 5.5 Aces
0%
0%
0
Over 6.5 Aces
0%
0%
0
Over 7.5 Aces
0%
0%
0
Over 8.5 Aces
0%
0%
0
Over 9.5 Aces
0%
0%
0
Over 14.5 Aces
0%
0%
0
Data Point
Percentage
Number
Percentile
Aces Per Match
2.5
5 / 2
10
Over 0.5 Aces
100%
2 / 2
19
Over 1.5 Aces
100%
2 / 2
37
Over 2.5 Aces
50%
1 / 2
4
Over 3.5 Aces
0%
0 / 2
0
Over 4.5 Aces
0%
0 / 2
0
Over 5.5 Aces
0%
0 / 2
0
Over 6.5 Aces
0%
0 / 2
0
Over 7.5 Aces
0%
0 / 2
0
Over 8.5 Aces
0%
0 / 2
0
Over 9.5 Aces
0%
0 / 2
0
Over 14.5 Aces
0%
0 / 2
0
Match Total Games (Grass Courts)
2025 & Last 12 Months
Career
Data Point
2025
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
22.9
21
62
Average Total Games (5 Set Matches)
26
N/A
33
Over 12.5
98%
100%
35
Over 13.5
98%
100%
53
Over 14.5
92%
100%
45
Over 15.5
90%
100%
64
Over 16.5
82%
93%
65
Over 17.5
75%
80%
68
Over 18.5
71%
80%
80
Over 19.5
63%
67%
81
Over 20.5
49%
47%
61
Over 21.5
41%
33%
54
Over 22.5
37%
20%
58
Over 23.5
27%
20%
35
Over 24.5
25%
13%
32
Over 25.5
24%
13%
42
Over 26.5
22%
13%
48
Over 27.5
20%
13%
49
Over 28.5
18%
13%
58
Over 29.5
16%
13%
62
Over 30.5
14%
13%
68
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
22.9
52
Over 12.5
98%
44
Over 13.5
98%
68
Over 14.5
92%
36
Over 15.5
90%
61
Over 16.5
82%
56
Over 17.5
75%
64
Over 18.5
71%
81
Over 19.5
63%
82
Over 20.5
49%
57
Over 21.5
41%
45
Over 22.5
37%
54
Over 23.5
27%
27
Over 24.5
25%
24
Over 25.5
24%
35
Over 26.5
22%
43
Over 27.5
20%
48
Over 28.5
18%
58
Over 29.5
16%
68
Over 30.5
14%
76
Break Points Won (Grass Courts)
2025 & Last 12
Career
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Last 12
Percentile
Breaks Per Match
2
3
24
Over 0.5
50%
100%
2
Over 1.5
50%
100%
8
Over 2.5
0%
0%
0
Over 3.5
0%
0%
0
Over 4.5
0%
0%
0
Over 5.5
0%
0%
0
Over 6.5
0%
0%
0
Data Point
2025
Last 12
Percentile
Breaks Per Match
6.5
N/A
99
Over 0.5
100%
N/A
26
Over 1.5
100%
N/A
54
Over 2.5
100%
N/A
82
Over 3.5
100%
N/A
88
Over 4.5
100%
N/A
95
Over 5.5
0%
N/A
0
Over 6.5
0%
N/A
0
Over 7.5
0%
N/A
0
Over 8.5
0%
N/A
0
Data Point
2025
Last 12
Percentile
Average Break-Points Converted (Set 1)
1.25
2.00
54
Average Break-Points Converted (Set 2)
0.75
1.00
19
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
17%
33%
11
will not Break Serve %
65%
29%
85
Over 0.5
50%
100%
10
Over 1.5
50%
100%
47
Over 2.5
0%
0%
0
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
5 Set Matches
Breaks Per Set
Data Point
2025
Number
Percentile
Breaks Per Match
2
N/A
49
Over 0.5
50%
1 / 2
3
Over 1.5
50%
1 / 2
23
Over 2.5
0%
0 / 2
0
Over 3.5
0%
0 / 2
0
Over 4.5
0%
0 / 2
0
Over 5.5
0%
0 / 2
0
Over 6.5
0%
0 / 2
0
Data Point
2025
Number
Percentile
Breaks Per Match
6.5
N/A
99
Over 0.5
100%
1 / 1
61
Over 1.5
100%
1 / 1
83
Over 2.5
100%
1 / 1
95
Over 3.5
100%
1 / 1
97
Over 4.5
100%
1 / 1
99
Over 5.5
0%
0 / 1
0
Over 6.5
0%
0 / 1
0
Over 7.5
0%
0 / 1
0
Over 8.5
0%
0 / 1
0
Data Point
2025
Number
Percentile
Average Break-Points Converted (Set 1)
1.25
N/A
90
Average Break-Points Converted (Set 2)
0.75
N/A
34
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
17%
N/A
19
will not Break Serve %
65%
N/A
91
Over 0.5
50%
1 / 2
35
Over 1.5
50%
1 / 2
86
Over 2.5
0%
0 / 2
0
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Grass Courts)
2025 & Last 12 Months
Career
3 Set Matches
5 Set Matches
Data Point
2025
Last 12
Percentile
Double Faults Per Match
2
2
87
Over 0.5 (1+)
100%
100%
80
Over 1.5 (2+)
100%
100%
55
Over 2.5 (3+)
0%
0%
100
Over 3.5 (4+)
0%
0%
100
Over 4.5 (5+)
0%
0%
100
Over 5.5 (6+)
0%
0%
100
Over 6.5 (7+)
0%
0%
100
Over 7.5 (8+)
0%
0%
100
Data Point
2025
Last 12
Percentile
Double Faults Per Match
7
N/A
7
Over 0.5 (1+)
100%
N/A
86
Over 1.5 (2+)
100%
N/A
71
Over 2.5 (3+)
100%
N/A
55
Over 3.5 (4+)
100%
N/A
46
Over 4.5 (5+)
100%
N/A
37
Over 5.5 (6+)
100%
N/A
31
Over 6.5 (7+)
100%
N/A
26
Over 7.5 (8+)
0%
N/A
100
Over 8.5 (9+)
0%
N/A
100
Over 9.5 (10+)
0%
N/A
100
Over 10.5 (11+)
0%
N/A
100
3 Set Matches
5 Set Matches
Data Point
2025
Number
Percentile
Double Faults Per Match
2
4 / 2
83
Over 0.5 (1+)
100%
2 / 2
59
Over 1.5 (2+)
100%
2 / 2
36
Over 2.5 (3+)
0%
0 / 2
100
Over 3.5 (4+)
0%
0 / 2
100
Over 4.5 (5+)
0%
0 / 2
100
Over 5.5 (6+)
0%
0 / 2
100
Over 6.5 (7+)
0%
0 / 2
100
Over 7.5 (8+)
0%
0 / 2
100
Data Point
2025
Number
Percentile
Double Faults Per Match
7
7 / 1
5
Over 0.5 (1+)
100%
1 / 1
61
Over 1.5 (2+)
100%
1 / 1
38
Over 2.5 (3+)
100%
1 / 1
21
Over 3.5 (4+)
100%
1 / 1
14
Over 4.5 (5+)
100%
1 / 1
8
Over 5.5 (6+)
100%
1 / 1
5
Over 6.5 (7+)
100%
1 / 1
4
Over 7.5 (8+)
0%
0 / 1
100
Over 8.5 (9+)
0%
0 / 1
100
Over 9.5 (10+)
0%
0 / 1
100
Over 10.5 (11+)
0%
0 / 1
100
Latest Results For William Jansen
Date
Tournament
Player
Opponent
Total Sets
William Jansen
1 - 2
Opponent
Total Wins
William Jansen
0 - 1
Opponent
Win Percentage
William Jansen
0% - 100%
Opponent
Ranking
Elo
Ranking
Elo