Player

🇬🇧 William Jansen

Career matches 59

Wins 27

Losses 32

Win rate 45.8%

Elo (current) —

Surface breakdown

Hard 47.8% 22W – 24L (46 matches)

Grass 22.2% 2W – 7L (9 matches)

Carpet 75.0% 3W – 1L (4 matches)

Career form (last 10)

LWWLWWLLLL

Newest on left. Hover for details.

Head-to-head (top 5 opponents)

Opponent	Played	W	L	W%
Aidan Kim	2	0	2	0%
Oscar Weightman	2	0	2	0%
Dominik Palan	2	1	1	50%
Daniel De Jonge	2	1	1	50%
Billy Harris	2	0	2	0%

Recent matches

1–50 of 59

Date	Tournament	Round	Winner	Loser	Score	Surface
2025-11-10	M25 Columbus, OH	R2	Aidan Kim	William Jansen	6-3 6-4	Hard
2025-11-10	M25 Columbus, OH	R1	William Jansen	Ilija Palavestra	6-4 6-2	Hard
2025-07-28	M15 Dublin	R2	William Jansen	Joe Tyler	7-5 6-1	Carpet
2025-07-28	M15 Dublin	QF	James Story	William Jansen	7-6(6) 6-3	Carpet
2025-07-28	M15 Dublin	R2	William Jansen	Daniel De Jonge	6-1 6-4	Carpet
2025-07-28	M15 Dublin	R1	William Jansen	Hugo Pierre	6-3 6-4	Carpet
2025-07-07	Nottingham#3007	1st Round Qualifying	Patrick Zahraj	William Jansen	6-4 6-2	Grass
2025-06-23	M15 Monastir	R1	Alejandro Manzanera Pertusa	William Jansen	6-1 6-3	Hard
2025-06-02	M15 Kayseri	R1	Daniel De Jonge	William Jansen	4-6 6-2 6-4	Hard
2025-05-26	M15 Kayseri	QF	Arda Azkara	William Jansen	6-3 7-6(4)	Hard
2025-05-26	M15 Kayseri	R2	William Jansen	Patrick Brady	6-2 6-3	Hard
2025-05-26	M15 Kayseri	R1	William Jansen	Piotr Pawlak	2-6 7-6(1) 6-2	Hard
2025-01-06	M25 Ithaca, NY	R1	Theo Papamalamis	William Jansen	4-6 6-4 7-6(4)	Hard
2025-01-06	M25 Ithaca, NY	R2	William Jansen	Rushil Khosla	6-1 7-5	Hard
2025-01-06	M25 Ithaca, NY	R1	William Jansen	Eric David Verdes	6-4 4-6 10-3	Hard
2024-12-02	M15 Stellenbosch	R32	Goncalo Oliveira	William Jansen	6-4 6-4	Hard
2024-11-11	M25 Columbus	QF	Aidan Kim	William Jansen	7-5 6-4	Hard
2024-11-11	M25 Columbus	R16	William Jansen	Hiroki Sakagawa	7-6(4) 6-2	Hard
2024-11-11	M25 Columbus	R32	William Jansen	Nathan Ponwith	6-3 6-2	Hard
2024-09-16	Columbus CH	Q1	Andres Martin	William Jansen	6-3 6-7(4) 7-5	Hard
2024-06-17	M15 Hong Kong	R16	Kasidit Samrej	William Jansen	7-5 6-4	Hard
2024-06-17	M15 Hong Kong	R32	William Jansen	Thantub Suksumrarn	6-3 6-2	Hard
2024-06-10	M15 Hong Kong	QF	Taiyo Yamanaka	William Jansen	6-2 7-5	Hard
2024-06-10	M15 Hong Kong	R16	William Jansen	Tsung Hao Huang	6-3 6-4	Hard
2024-06-10	M15 Hong Kong	R32	William Jansen	Yuichiro Inui	6-4 6-4	Hard
2024-06-03	Surbiton CH	Q1	Alex Bolt	William Jansen	7-6(3) 6-2	Grass
2024-05-20	M15 Monastir	QF	Arthur Bouquier	William Jansen	6-3 6-4	Hard
2024-05-20	M15 Monastir	R16	William Jansen	Pedro Araujo	6-3 6-1	Hard
2024-05-20	M15 Monastir	R32	William Jansen	Loic Namigandet Tenguere	4-6 6-1 6-1	Hard
2023-12-25	M15 Monastir	R16	Ryotaro Taguchi	William Jansen	6-7(3) 6-2 6-0	Hard
2023-12-25	M15 Monastir	R32	William Jansen	Francesco Ferrari	4-6 7-6(6) 6-1	Hard
2023-11-06	M15 Winston-Salem NC	R32	Brian Cernoch	William Jansen	6-4 7-6(4)	Hard
2023-09-11	Cary CH	R32	Thai Son Kwiatkowski	William Jansen	6-4 6-3	Hard
2023-08-07	M25 Roehampton	R16	Oscar Weightman	William Jansen	4-6 4-2 RET	Hard
2023-08-07	M25 Roehampton	R32	William Jansen	Johannus Monday	7-5 6-2	Hard
2023-07-31	M25 Roehampton	R32	Luke Simkiss	William Jansen	6-3 1-6 7-5	Hard
2023-07-17	M25 Roehampton	R16	Daniel Cox	William Jansen	6-7(5) 6-4 7-5	Grass
2023-07-17	M25 Roehampton	R32	William Jansen	Johannes Ingildsen	6-2 7-5	Grass
2023-07-10	M25 Nottingham	R32	Billy Blaydes	William Jansen	7-6(5) 6-4	Grass
2022-12-05	M15 Sharm ElSheikh	R16	Samuel Vincent Ruggeri	William Jansen	7-6(4) 1-6 7-6(7)	Hard
2022-12-05	M15 Sharm ElSheikh	R32	William Jansen	Michael Bassem Sobhy	6-3 3-6 6-2	Hard
2022-11-21	M15 Madrid	R16	Daniel Vallejo	William Jansen	7-6(3) 6-4	Hard
2022-11-21	M15 Madrid	R32	William Jansen	Miguel Damas	4-6 6-3 6-4	Hard
2022-10-31	M15 Al Zahra	SF	Kristjan Tamm	William Jansen	6-2 6-4	Hard
2022-10-31	M15 Al Zahra	QF	William Jansen	Antoine Vincent	6-2 6-1	Hard
2022-10-31	M15 Al Zahra	R16	William Jansen	Dominik Palan	6-3 6-2	Hard
2022-10-31	M15 Al Zahra	R32	William Jansen	Guhan Rajan	6-0 6-2	Hard
2022-10-24	M15 Al Zahra	QF	Dominik Palan	William Jansen	6-2 6-4	Hard
2022-10-24	M15 Al Zahra	R16	William Jansen	Cyril Vandermeersch	7-6(6) 6-2	Hard
2022-10-24	M15 Al Zahra	R32	William Jansen	Lohithaksha Bathrinath	6-1 3-6 6-1	Hard

Aliases

atp

W. Jansen
William Jansen (j0ct)

atp_short

W. Jansen (j0ct)

itf

William Jansen (800471174)

sackmann

William Jansen (210117)
William Jansen (210522)

variant

W Jansen