WJ
William Jansen
20yrs
1.88 m
83 kg
Left
87.5%Accuracy
8
Matches Analyzed
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LWLWW
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ITF Men M25 Louisville Hardcourt outdoor ITF Men M25 Louisville (Hardcourt outdoor) 2 matches
Challenger Nottingham 3 Great Britain Grass Challenger Nottingham 3 Great Britain (Grass) 3 matches
ITF Men M15 Kayseri Hardcourt outdoor ITF Men M15 Kayseri (Hardcourt outdoor) 1 match
Challenger Nottingham 2 Great Britain Qualifying Grass Challenger Nottingham 2 Great Britain Qualifying (Grass) 1 match
Challenger Birmingham Great Britain Qualifying Grass Challenger Birmingham Great Britain Qualifying (Grass) 1 match
ITF Men M25 Columbus Hardcourt indoor ITF Men M25 Columbus (Hardcourt indoor) 1 match
About William Jansen
William Jansen is a 20-year-old left-handed professional tennis player, currently ranked world No. 1369. Our AI algorithm has analyzed 8 matches featuring William Jansen, achieving a prediction accuracy of over 87.5%. This page provides AI-generated tennis tips for upcoming matches — including Match Winner and Score — as well as detailed statistics covering serve performance, return effectiveness, and break point conversion.
While active predictions are available exclusively to subscribers, we are committed to full transparency: all completed match results remain visible, so you can verify our track record at any time.
Serve & Return
First Serve %
67.8%
1st Serve Won
71.4%
2nd Serve Won
52%
Aces / Match
7.3
Double Faults / Match
3.1
Break Pts Saved
72.1%
Break Pts Converted
23.2%
Return Pts Won
35%
Service Hold %
90.8%
Total Pts Won
57.9%
Form by Surface
Hard
7 matches
Clay
0 matches
Grass
5 matches
First Serve %
59.9%
—
69.4%
1st Serve Won
85%
—
68.5%
2nd Serve Won
55.1%
—
53.1%
Aces / Match
10.1
—
6.2
Double Faults / Match
4
—
2.2
Break Pts Saved
54.5%
—
77.8%
Break Pts Converted
37.8%
—
17.5%
Return Pts Won
38.1%
—
34.2%
Form by Surface
7 matches on Hard
First Serve %
59.9%
1st Serve Won
85%
2nd Serve Won
55.1%
Aces / Match
10.1
Double Faults / Match
4
Break Pts Saved
54.5%
Break Pts Converted
37.8%
Return Pts Won
38.1%