WJ
ATP Singles

William Jansen GBR

Great Britain · 21 years old · left-handed

William Jansen is 6–4 in 2026 across 4 tournaments. Career: 37–28 (56.9%) with 0 titles.

2026 Record
6–4
60.0% win rate
2026 Titles
0
4 events played
Career Record
37–28
0 titles
Career High
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William Jansen's 2026 season

TournamentSurfaceResultW–LDates
Nottingham 3, Great BritaingrassR322–1Jul 5
Nottingham 2, Great BritaingrassQL0–1Jun 13
Birmingham, Great BritaingrassQL10–1May 31
UTR PTT Athens Men 01indoor_hardSF4–1Jan 4

2026 serve & return

Service points won
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Return points won
—
Aces per match
—
Break points saved
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Frequently asked questions about William Jansen

How old is William Jansen?

William Jansen is 21 years old, born December 6, 2004.

Where is William Jansen from?

William Jansen represents Great Britain.

What is William Jansen's career record?

William Jansen has a career singles record of 37–28 (56.9%) with 0 titles from 0 finals.

How is William Jansen doing in 2026?

William Jansen is 6–4 in 2026 with 0 titles from 4 tournaments.

Is William Jansen left-handed or right-handed?

William Jansen is left-handed.

Who did William Jansen play last?

William Jansen lost to Felix Gill at Nottingham 3, Great Britain on July 7, 2026.

Stats updated daily · 2026 season through July 7, 2026