WJ
ATP · Rank #1129
ATP · Rank #1129
William Jansen: Predictions and form
21yrs
1.91 m
88 kg
Left
58.8%Hit rate
17
Matches tracked
Form guide
WWWLW
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ITF Men - M15 Columbia, SC: W. Jansen against S. Daryabeigi, 12:00, Upcoming. Winner odds: W. Jansen 1.37, S. Daryabeigi 3.3. Trust score for this match: 2.7 of 10. Get Full Access to see this prediction.
W. Jansen
S. Daryabeigi
ITF Men - M15 Columbia, SC: E. Bynoe against W. Jansen, 17:00, Finished. Winner odds: E. Bynoe 3.55, W. Jansen 1.29. Predicted winner: W. Jansen, priced at 1.29, trust score 3.4 of 10. Graded a hit. Predicted scoreline: 3-6, 6-3, 2-6. Our best tip: O19.5, priced at 1.68, trust score 7.1 of 10. Graded a miss.
E. Bynoe
W. Jansen
ITF Men - M15 Columbia, SC: C. Craig against W. Jansen, 12:00, Finished. Winner odds: C. Craig 3.65, W. Jansen 1.24. Predicted winner: C. Craig, priced at 3.65, trust score 1.1 of 10. Graded a miss. Predicted scoreline: 2-6, 6-4, 6-3. Our best tip: O18.5, priced at 1.52, trust score 3.7 of 10. Graded a miss.
C. Craig
W. Jansen
ITF Men - M15 Columbia, SC: W. Jansen against S. Andre, 22:32, Finished. Winner odds: W. Jansen 1.37, S. Andre 2.85. Predicted winner: S. Andre, priced at 2.85, trust score 3.8 of 10. Graded a miss. Predicted scoreline: 5-7, 6-3, 4-6. Our best tip: O22.5, priced at 2.2, trust score 6.1 of 10. Graded a miss.
W. Jansen
S. Andre
12:00
Upcoming
1200
W. Jansen
S. Daryabeigi
–
▾1.37
▴3.3
2.7
17:00
Finished
1700
E. Bynoe
W. Jansen
0
2
▾3.55
▴1.29
2
▴1.29
366326
O19.5
▴1.68
7.1
12:00
Finished
1200
C. Craig
W. Jansen
0
2
▾3.65
▴1.24
1
▾3.65
266463
O18.5
1.52
3.7
22:32
Finished
2232
W. Jansen
S. Andre
2
0
1.37
2.85
2
2.85
576346
O22.5
▴2.2
6.1
ITF Men - M25 Aldershot: B. Blaydes against W. Jansen, 13:22, Finished. Winner odds: B. Blaydes 2.85, W. Jansen 1.4. Predicted winner: B. Blaydes, priced at 2.85, trust score 4.6 of 10. Graded a hit. Predicted scoreline: 6-7, 6-3, 6-3. Our best tip: B. Blaydes, priced at 2.85, trust score 4.6 of 10. Graded a hit.
B. Blaydes
W. Jansen
ITF Men - M25 Aldershot: L. Bowden against W. Jansen, 13:00, Finished. Winner odds: L. Bowden 4.8, W. Jansen 1.18. Predicted winner: W. Jansen, priced at 1.18, trust score 1.7 of 10. Graded a hit. Predicted scoreline: 4-6, 3-6. Our best tip: W. Jansen, priced at 1.18, trust score 1.7 of 10. Graded a hit.
L. Bowden
W. Jansen
13:22
Finished
1322
B. Blaydes
W. Jansen
2
1
▴2.85
▾1.4
1
▴2.85
676363
1
▴2.85
4.6
13:00
Finished
1300
L. Bowden
W. Jansen
0
2
▾4.8
▴1.18
2
▴1.18
4636
2
▴1.18
1.7
ITF Men - M25 Champaign, IL: W. Jansen against N. Honda, 19:30, Finished. Winner odds: W. Jansen 1.78, N. Honda 1.97. Predicted winner: N. Honda, priced at 1.97, trust score 2.9 of 10. Graded a hit. Predicted scoreline: 3-6, 5-7. Our best tip: N. Honda, priced at 1.97, trust score 2.9 of 10. Graded a hit.
W. Jansen
N. Honda
ITF Men - M25 Champaign, IL: K. Bennani against W. Jansen, 17:00, Finished. Winner odds: K. Bennani 1.54, W. Jansen 2.34. Predicted winner: K. Bennani, priced at 1.54, trust score 5.9 of 10. Graded a miss. Predicted scoreline: 3-6, 6-2, 6-4. Our best tip: K. Bennani, priced at 1.54, trust score 5.9 of 10. Graded a miss.
K. Bennani
W. Jansen
ITF Men - M25 Champaign, IL: I. M. Fahim against W. Jansen, 18:09, Finished. Winner odds: I. M. Fahim 2.43, W. Jansen 1.53. Predicted winner: I. M. Fahim, priced at 2.43, trust score 1.2 of 10. Graded a miss. Predicted scoreline: 6-7, 6-3, 6-2. Our best tip: I. M. Fahim, priced at 2.43, trust score 1.2 of 10. Graded a miss.
I. M. Fahim
W. Jansen
ITF Men - M25 Champaign, IL: W. Jansen against K. Hance, 20:18, Finished. Winner odds: W. Jansen 1.66, K. Hance 2.19. Predicted winner: K. Hance, priced at 2.19, trust score 5.0 of 10. Graded a miss. Predicted scoreline: 5-7, 2-6. Our best tip: K. Hance, priced at 2.19, trust score 5.0 of 10. Graded a miss.
W. Jansen
K. Hance
19:30
Finished
1930
W. Jansen
N. Honda
0
2
▾1.78
▴1.97
2
▴1.97
3657
2
▴1.97
2.9
17:00
Finished
1700
K. Bennani
W. Jansen
1
2
▴1.54
▾2.34
1
▴1.54
366264
1
▴1.54
5.9
18:09
Finished
1809
I. M. Fahim
W. Jansen
1
2
▾2.43
▴1.53
1
▾2.43
676362
1
▾2.43
1.2
20:18
Finished
2018
W. Jansen
K. Hance
2
0
▾1.66
▴2.19
2
▴2.19
5726
2
▴2.19
5.0
ITF Men - M25 Louisville: A. Frusina against W. Jansen, 15:00, Finished. Winner odds: A. Frusina 2.34, W. Jansen 1.55. Predicted winner: A. Frusina, priced at 2.34, trust score 3.5 of 10. Graded a hit. Predicted scoreline: 6-4, 4-6, 6-2. Our best tip: A. Frusina, priced at 2.34, trust score 3.5 of 10. Graded a hit.
A. Frusina
W. Jansen
ITF Men - M25 Louisville: J. Peck against W. Jansen, 19:10, Finished. Winner odds: J. Peck 4.1, W. Jansen 1.27. Predicted winner: W. Jansen, priced at 1.27, trust score 1.2 of 10. Graded a hit. Predicted scoreline: 2-6, 3-6. Our best tip: U19.5, priced at 2.01, trust score 3.7 of 10. Graded a hit.
J. Peck
W. Jansen
15:00
Finished
1500
A. Frusina
W. Jansen
2
0
▾2.34
▴1.55
1
▾2.34
644662
1
▾2.34
3.5
19:10
Finished
1910
J. Peck
W. Jansen
0
2
▾4.1
▴1.27
2
▴1.27
2636
U19.5
2.01
3.7
Challenger - Nottingham 3, Great Britain: W. Jansen against F. Gill, 17:35, Finished. Winner odds: W. Jansen 3.6, F. Gill 1.28. Predicted winner: F. Gill, priced at 1.28, trust score 5.2 of 10. Graded a hit. Predicted scoreline: 6-7, 6-3, 3-6. Our best tip: O20.5, priced at 1.61, trust score 5.7 of 10. Graded a hit.
W. Jansen
F. Gill
(2)
Challenger - Nottingham 3, Great Britain, Qualifying: T. Papamalamis against W. Jansen, 11:00, Finished. Winner odds: T. Papamalamis 1.83, W. Jansen 2.08. Predicted winner: T. Papamalamis, priced at 1.83, trust score 3.1 of 10. Graded a miss. Predicted scoreline: 6-7, 7-6, 7-6. Our best tip: O2.5, priced at 2.32, trust score 8.5 of 10. Graded a hit.
T. Papamalamis
(3)
W. Jansen
(WC)
Challenger - Nottingham 3, Great Britain, Qualifying: W. Jansen against S. Ziegann, 11:00, Finished. Winner odds: W. Jansen 1.37, S. Ziegann 3.45. Predicted winner: W. Jansen, priced at 1.37, trust score 3.7 of 10. Graded a hit. Predicted scoreline: 6-3, 6-2. Our best tip: U23.5, priced at 1.59, trust score 8.4 of 10. Graded a hit.
W. Jansen
S. Ziegann
17:35
Finished
1735
W. Jansen
F. Gill
(2) 1
2
▴3.6
▾1.28
2
▾1.28
676336
O20.5
▴1.61
5.7
11:00
Finished
1100
T. Papamalamis
(3)
W. Jansen
(WC) 1
2
▴1.83
▾2.08
1
▴1.83
677676
O2.5
▴2.32
8.5
11:00
Finished
1100
W. Jansen
S. Ziegann
2
0
▾1.37
▴3.45
1
▾1.37
6362
U23.5
▾1.59
8.4
Challenger Nottingham 2 Great Britain Qualifying
Grass Challenger Nottingham 2 Great Britain Qualifying (Grass)
1
Challenger Birmingham Great Britain Qualifying
Grass Challenger Birmingham Great Britain Qualifying (Grass)
1
Results by surface
Hard
8-5
Grass
2-3
Overall
10-8
BananaCore's calls for this player
10 of 17 right
Only matches we forecast are counted
More on William Jansen
World No. 1129 William Jansen is 21 and plays left-handed. On hard the record reads 8-5, well ahead of 2-3 on the other surfaces. With 66.2% of first serves in play and 73.6% of them turned into points, the first delivery is a steady asset. Average on return: 38.5% of return points won and 54% of break points converted. 151.6% of service games held: breaking this serve is hard.
In form: 4 of the last 5 finished matches won. No match in our data has lasted longer than the 33-game duel with F. Gill. We have forecast this player's matches most often at ITF Men M25 Champaign IL: 4 of them. Open any of these matches for BananaCore's pick, a predicted scoreline and the serve and return figures behind them. Latest tournament on record: ITF Men M15 Columbia SC.
Serving and returning
1st serves in
—
Won on 1st serve
—
Won on 2nd serve
—
Aces per match
5.4
Double faults per match
1.6
Break points saved
—
Return games won
—
Points won on return
40.2%
Service points won
—
All points won
104.5%
Career
Past 12 months
0
Titles
0
Finals
2
Semi-final runs
9
Tournaments played
Results by tournament
ITF M25 Champaign, IL Men
ITF
Semi-Finals
UTR PTT Athens Men 01
UTR
Semi-Finals
ITF M25 Aldershot Men
ITF
Round of 16
ITF M25 Columbus Men
ITF
Round of 16
ITF M25 Louisville Men
ITF
Round of 16
ITF M15 Kayseri 6 Men
ITF
Round of 32
Nottingham 3, Great Britain
Challenger
Round of 32
Birmingham, Great Britain
Challenger
Qualifying
Nottingham 2, Great Britain
Challenger
Qualifying
Sorted by best result, not by date
Year by year
2026in progress
2–3
W–L
5
Matches
1–2
Tiebreaks
6.2
Aces per match
2.2
Double faults per match
1st serves in
69.4%
Won on 1st serve
68.5%
Won on 2nd serve
53.1%
Break points converted
35.5%
Break points saved
77.8%
2024
0–1
W–L
1
Matches
0–1
Tiebreaks
3
Aces per match
2
Double faults per match
1st serves in
68.2%
Won on 1st serve
62.2%
Won on 2nd serve
38.1%
Break points converted
22.2%
Break points saved
63.6%
Official singles figures for this season, as published by the tour. Don't expect the wins and losses to match our Predictions tab: that record covers only the matches we forecast. A dash marks a figure with no data yet.
Common questions
How often do our calls on William Jansen come true?
+
10 of our 17 graded predictions on William Jansen's matches were right, 58.8%. Settled picks stay listed below, so anyone can check the number.