WJ
ATP · Rank #1129
ATP · Rank #1129
William Jansen
21yrs
1.91 m
88 kg
Left
58.8%Accuracy
17
Matches Analyzed
Recent Form
WWWLW
Recent & Upcoming
Tap a match for full analysis
W. Jansen vs S. Daryabeigi, ITF Men - M15 Columbia, SC, 12:00, Upcoming. Match winner odds: 1.37 for W. Jansen, 3.3 for S. Daryabeigi. AI confidence for this match: 2.7 out of 10. Please subscribe in order to see the predictions.
W. Jansen
S. Daryabeigi
E. Bynoe vs W. Jansen, ITF Men - M15 Columbia, SC, 17:00, Finished. Match winner odds: 3.55 for E. Bynoe, 1.29 for W. Jansen. AI winner pick: W. Jansen, odds 1.29, confidence 3.4 out of 10. This tip won. Predicted score: 3-6, 6-3, 2-6. Best AI tip: O19.5, odds 1.68, confidence 7.1 out of 10. This tip lost.
E. Bynoe
W. Jansen
C. Craig vs W. Jansen, ITF Men - M15 Columbia, SC, 12:00, Finished. Match winner odds: 3.65 for C. Craig, 1.24 for W. Jansen. AI winner pick: C. Craig, odds 3.65, confidence 1.1 out of 10. This tip lost. Predicted score: 2-6, 6-4, 6-3. Best AI tip: O18.5, odds 1.52, confidence 3.7 out of 10. This tip lost.
C. Craig
W. Jansen
W. Jansen vs S. Andre, ITF Men - M15 Columbia, SC, 22:32, Finished. Match winner odds: 1.37 for W. Jansen, 2.85 for S. Andre. AI winner pick: S. Andre, odds 2.85, confidence 3.8 out of 10. This tip lost. Predicted score: 5-7, 6-3, 4-6. Best AI tip: O22.5, odds 2.2, confidence 6.1 out of 10. This tip lost.
W. Jansen
S. Andre
12:00
Upcoming
1200
W. Jansen
S. Daryabeigi
–
▾1.37
▴3.3
2.7/10
17:00
Finished
1700
E. Bynoe
W. Jansen
0
2
▾3.55
▴1.29
2
▴1.29
366326
O19.5
▴1.68
7.1/10
12:00
Finished
1200
C. Craig
W. Jansen
0
2
▾3.65
▴1.24
1
▾3.65
266463
O18.5
1.52
3.7/10
22:32
Finished
2232
W. Jansen
S. Andre
2
0
1.37
2.85
2
2.85
576346
O22.5
▴2.2
6.1/10
B. Blaydes vs W. Jansen, ITF Men - M25 Aldershot, 13:22, Finished. Match winner odds: 2.85 for B. Blaydes, 1.4 for W. Jansen. AI winner pick: B. Blaydes, odds 2.85, confidence 4.6 out of 10. This tip won. Predicted score: 6-7, 6-3, 6-3. Best AI tip: B. Blaydes, odds 2.85, confidence 4.6 out of 10. This tip won.
B. Blaydes
W. Jansen
L. Bowden vs W. Jansen, ITF Men - M25 Aldershot, 13:00, Finished. Match winner odds: 4.8 for L. Bowden, 1.18 for W. Jansen. AI winner pick: W. Jansen, odds 1.18, confidence 1.7 out of 10. This tip won. Predicted score: 4-6, 3-6. Best AI tip: W. Jansen, odds 1.18, confidence 1.7 out of 10. This tip won.
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
4.6/10
13:00
Finished
1300
L. Bowden
W. Jansen
0
2
▾4.8
▴1.18
2
▴1.18
4636
2
▴1.18
1.7/10
W. Jansen vs N. Honda, ITF Men - M25 Champaign, IL, 19:30, Finished. Match winner odds: 1.78 for W. Jansen, 1.97 for N. Honda. AI winner pick: N. Honda, odds 1.97, confidence 2.9 out of 10. This tip won. Predicted score: 3-6, 5-7. Best AI tip: N. Honda, odds 1.97, confidence 2.9 out of 10. This tip won.
W. Jansen
N. Honda
K. Bennani vs W. Jansen, ITF Men - M25 Champaign, IL, 17:00, Finished. Match winner odds: 1.54 for K. Bennani, 2.34 for W. Jansen. AI winner pick: K. Bennani, odds 1.54, confidence 5.9 out of 10. This tip lost. Predicted score: 3-6, 6-2, 6-4. Best AI tip: K. Bennani, odds 1.54, confidence 5.9 out of 10. This tip lost.
K. Bennani
W. Jansen
I. M. Fahim vs W. Jansen, ITF Men - M25 Champaign, IL, 18:09, Finished. Match winner odds: 2.43 for I. M. Fahim, 1.53 for W. Jansen. AI winner pick: I. M. Fahim, odds 2.43, confidence 1.2 out of 10. This tip lost. Predicted score: 6-7, 6-3, 6-2. Best AI tip: I. M. Fahim, odds 2.43, confidence 1.2 out of 10. This tip lost.
I. M. Fahim
W. Jansen
W. Jansen vs K. Hance, ITF Men - M25 Champaign, IL, 20:18, Finished. Match winner odds: 1.66 for W. Jansen, 2.19 for K. Hance. AI winner pick: K. Hance, odds 2.19, confidence 5.0 out of 10. This tip lost. Predicted score: 5-7, 2-6. Best AI tip: K. Hance, odds 2.19, confidence 5.0 out of 10. This tip lost.
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
2.9/10
17:00
Finished
1700
K. Bennani
W. Jansen
1
2
▴1.54
▾2.34
1
▴1.54
366264
1
▴1.54
5.9/10
18:09
Finished
1809
I. M. Fahim
W. Jansen
1
2
▾2.43
▴1.53
1
▾2.43
676362
1
▾2.43
1.2/10
20:18
Finished
2018
W. Jansen
K. Hance
2
0
▾1.66
▴2.19
2
▴2.19
5726
2
▴2.19
5.0/10
A. Frusina vs W. Jansen, ITF Men - M25 Louisville, 15:00, Finished. Match winner odds: 2.34 for A. Frusina, 1.55 for W. Jansen. AI winner pick: A. Frusina, odds 2.34, confidence 3.5 out of 10. This tip won. Predicted score: 6-4, 4-6, 6-2. Best AI tip: A. Frusina, odds 2.34, confidence 3.5 out of 10. This tip won.
A. Frusina
W. Jansen
J. Peck vs W. Jansen, ITF Men - M25 Louisville, 19:10, Finished. Match winner odds: 4.1 for J. Peck, 1.27 for W. Jansen. AI winner pick: W. Jansen, odds 1.27, confidence 1.2 out of 10. This tip won. Predicted score: 2-6, 3-6. Best AI tip: U19.5, odds 2.01, confidence 3.7 out of 10. This tip won.
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
3.5/10
19:10
Finished
1910
J. Peck
W. Jansen
0
2
▾4.1
▴1.27
2
▴1.27
2636
U19.5
2.01
3.7/10
W. Jansen vs F. Gill, Challenger - Nottingham 3, Great Britain, 17:35, Finished. Match winner odds: 3.6 for W. Jansen, 1.28 for F. Gill. AI winner pick: F. Gill, odds 1.28, confidence 5.2 out of 10. This tip won. Predicted score: 6-7, 6-3, 3-6. Best AI tip: O20.5, odds 1.61, confidence 5.7 out of 10. This tip won.
W. Jansen
F. Gill
(2)
T. Papamalamis vs W. Jansen, Challenger - Nottingham 3, Great Britain, Qualifying, 11:00, Finished. Match winner odds: 1.83 for T. Papamalamis, 2.08 for W. Jansen. AI winner pick: T. Papamalamis, odds 1.83, confidence 3.1 out of 10. This tip lost. Predicted score: 6-7, 7-6, 7-6. Best AI tip: O2.5, odds 2.32, confidence 8.5 out of 10. This tip won.
T. Papamalamis
(3)
W. Jansen
(WC)
W. Jansen vs S. Ziegann, Challenger - Nottingham 3, Great Britain, Qualifying, 11:00, Finished. Match winner odds: 1.37 for W. Jansen, 3.45 for S. Ziegann. AI winner pick: W. Jansen, odds 1.37, confidence 3.7 out of 10. This tip won. Predicted score: 6-3, 6-2. Best AI tip: U23.5, odds 1.59, confidence 8.4 out of 10. This tip won.
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
5.7/10
11:00
Finished
1100
T. Papamalamis
(3)
W. Jansen
(WC) 1
2
▴1.83
▾2.08
1
▴1.83
677676
O2.5
▴2.32
8.5/10
11:00
Finished
1100
W. Jansen
S. Ziegann
2
0
▾1.37
▴3.45
1
▾1.37
6362
U23.5
▾1.59
8.4/10
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
Record by surface
Hard
8-5
Grass
2-3
Overall
10-8
Our AI on this player
10 correct of 17
From the matches in our database
About William Jansen
William Jansen is a 21-year-old left-handed professional tennis player, currently ranked world No. 1129. The first serve is the reliable part of the game: 66.2% of opening deliveries land in, and 73.6% of those points are won. Against serve the numbers sit mid-table — 38.5% of points won, 54% of break chances taken. Service games rarely slip away: 151.6% of them are held. The best surface is comfortably hard: 8-5 there, against 2-3 on everything else.
Right now the run is going well: 4 wins from the last 5 completed matches. The longest match we have on record ran to 33 games, against F. Gill. More of the matches we cover came at ITF Men M25 Champaign IL than anywhere else — 4 of them. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at ITF Men M15 Columbia SC.
Serve & Return
First Serve %
—
1st Serve Won
—
2nd Serve Won
—
Aces / Match
5.4
Double Faults / Match
1.6
Break Pts Saved
—
Break Pts Converted
—
Return Pts Won
40.2%
Service Hold %
—
Total Pts Won
104.5%
Records
Last 12 months
0
Titles
0
Finals
2
Semis or better
9
Events played
Tournament Results
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
Deepest runs first, not by date
Season by season
2026so far
2–3
Won-lost
5
Matches
1–2
Tiebreaks
6.2
Aces / Match
2.2
Double Faults / Match
First Serve %
69.4%
1st Serve Won
68.5%
2nd Serve Won
53.1%
Break points won
35.5%
Break Pts Saved
77.8%
2024
0–1
Won-lost
1
Matches
0–1
Tiebreaks
3
Aces / Match
2
Double Faults / Match
First Serve %
68.2%
1st Serve Won
62.2%
2nd Serve Won
38.1%
Break points won
22.2%
Break Pts Saved
63.6%
Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.
Frequently Asked Questions
How accurate are the AI predictions for William Jansen?
+
Our model has graded 17 matches involving William Jansen and got 10 right — a hit rate of 58.8%. Every completed pick stays on the page, so the figure can be checked.