Nombre: William Jansen
País: United Kingdom
Fecha de nacimiento: 06.12.04, 21 años
Dinero del premio: 24370 $
Partidos totales: 80
ganar: 42
%: 52.5 %
País: United Kingdom
Fecha de nacimiento: 06.12.04, 21 años
Dinero del premio: 24370 $
Partidos totales: 80
ganar: 42
%: 52.5 %
| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 2026 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2025 | 9/7 | 2/3 | 0/0 | 3/2 | 4/1 | 0/1 | 0/0 |
| 2024 | 14/7 | 12/4 | 0/0 | 2/2 | 0/0 | 0/1 | 0/0 |
| 2023 | 6/7 | 5/5 | 0/0 | 0/0 | 0/0 | 1/2 | 0/0 |
| 2022 | 13/14 | 10/10 | 0/0 | 0/0 | 0/0 | 3/4 | 0/0 |
| 2021 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/2 | 0/0 |
| TOTAL | 42/38 | 29/22 | 0/0 | 5/4 | 4/1 | 4/11 | 0/0 |
| porc. % | 52.5 % | 56.86 % | 0 % | 55.56 % | 80 % | 26.67 % | 0 % |
William Jansen / programado / pasado
| No se encontraron partidos |
William Jansen form / superficie: Difícil
William Jansen / superficie: Difícil
| 25.06.25 | 1er ronda | Alejandro Manzanera Pertusa | William Jansen | 6-1, 6-3 |  | match details |  M15 Monastir | Difícil |
| 04.06.25 | 1er ronda | Daniel De Jonge | William Jansen | 4-6, 6-2, 6-4 | | match details |  M15 Kayseri | Difícil |
| 31.05.25 | 1/4 | Arda Azkara | William Jansen | 6-3, 7-64 | | match details | M15 Kayseri | Difícil |
| 30.05.25 | 2da ronda | William Jansen | Patrick Brady | 6-2, 6-3 |  | match details | ||
| 28.05.25 | 1er ronda | William Jansen | Piotr Pawlak | 2-6, 7-61, 6-2 | | match details | ||
| 04.12.24 | 1er ronda | Goncalo Oliveira | William Jansen | 6-4, 6-4 | | match details |  M15 Stellenbosch | Difícil |
| 20.06.24 | 2da ronda | Kasidit Samrej | William Jansen | 7-5, 6-4 | | match details |  M15 Hong | Difícil |
| 19.06.24 | 1er ronda | William Jansen | Thantub Suksumrarn | 6-3, 6-2 | | match details | ||
| 18.06.24 | calif. | William Jansen | Charlie Pade | 6-1, 6-1 | | match details | ||
| 17.06.24 | c 1 | William Jansen | Daniil Golubev | 6-2, 6-0 | | match details | ||
| 14.06.24 | 1/4 | Taiyo Yamanaka | William Jansen | 6-2, 7-5 | | match details | M15 Hong | Difícil |
| 13.06.24 | 2da ronda | William Jansen | Tsung-Hao Huang | 6-3, 6-4 | | match details | ||
| 12.06.24 | 1er ronda | William Jansen | Yuichiro Inui | 6-4, 6-4 | | match details | ||
| 11.06.24 | calif. | William Jansen | Xirui Han | 6-3, 6-3 | | match details | ||
| 10.06.24 | c 1 | William Jansen | Guntinun Sootinun-Opart | 2-6, 6-0, 10-1 | | match details | ||
| 24.05.24 | 1/4 | Arthur Bouquier | William Jansen | 6-3, 6-4 | | match details | M15 Monastir | Difícil |
| 23.05.24 | 2da ronda | William Jansen | Pedro Araujo | 6-3, 6-1 | | match details | ||
| 22.05.24 | 1er ronda | William Jansen | Loic Namigandet Tenguere | 4-6, 6-1, 6-1 | | match details | ||
| 20.05.24 | c 2 | William Jansen | Lyle Zaloumis | 6-2, 6-2 | | match details | ||
| 20.05.24 | calif. | William Jansen | Rushil Khosla | 7-5, 6-2 | | match details | ||
| 19.05.24 | c 1 | William Jansen | Moritz Kudernatsch | 3-6, 6-2, 10-1 | | match details | ||
| 28.12.23 | 1er ronda | William Jansen | Francesco Ferrari | 4-6, 7-66, 6-1 | | match details | M15 Monastir | Difícil |
| 28.12.23 | 2da ronda | Ryotaro Taguchi | William Jansen | 6-73, 6-2, 6-0 | | match details | ||
| 25.12.23 | c 2 | William Jansen | Jordan Chrysostom | 6-2, 6-1 | | match details | ||
| 25.12.23 | calif. | William Jansen | Daniel Vishnick | 6-2, 6-1 | | match details | ||
| 24.12.23 | c 1 | William Jansen | Josh Roe Flannelly | 6-1, 6-0 | | match details | ||
| 08.11.23 | 1er ronda | Brian Cernoch | William Jansen | 6-4, 7-64 | | match details |  M15 Winston | Difícil |
| 13.09.23 | 1er ronda | Thai Kwiatkowski | William Jansen | 6-4, 6-3 | | match details | Cary 2 | Difícil |
| 10.08.23 | 2da ronda | Oscar Weightman | William Jansen | 4-6, 4-2, William Jansen - retirado | | match details |  M25 Roehampton | Difícil |
| 09.08.23 | 1er ronda | William Jansen | Johannus Monday | 7-5, 6-2 | | match details | ||
| 01.08.23 | 1er ronda | Luke Simkiss | William Jansen | 6-3, 1-6, 7-5 | | match details | M25 Roehampton | Difícil |
| 08.12.22 | 2da ronda | Samuel Vincent Ruggeri | William Jansen | 7-64, 1-6, 7-67 | | match details |  M15 Sharm | Difícil |
| 07.12.22 | 1er ronda | William Jansen | Michael Bassem Sobhy | 6-3, 3-6, 6-2 | | match details | ||
| 24.11.22 | 2da ronda | Adolfo Daniel Vallejo | William Jansen | 7-63, 6-4 | | match details |  M15 Madrid | Difícil |
| 23.11.22 | 1er ronda | William Jansen | Miguel Damas | 4-6, 6-3, 6-4 | | match details | ||
| 05.11.22 | 1/2 | Kristjan Tamm | William Jansen | 6-2, 6-4 | | match details |  M15 Al | Difícil |
| 04.11.22 | 1/4 | William Jansen | Antoine Vincent | 6-2, 6-1 | | match details | ||
| 03.11.22 | 2da ronda | William Jansen | Dominik Palan | 6-3, 6-2 | | match details | ||
| 02.11.22 | 1er ronda | William Jansen | Guhan Rajan | 6-0, 6-2 | | match details | ||
| 28.10.22 | 1/4 | Dominik Palan | William Jansen | 6-2, 6-4 | | match details | M15 Al | Difícil |
| 27.10.22 | 2da ronda | William Jansen | Cyril Vandermeersch | 7-66, 6-2 | | match details | ||
| 26.10.22 | 1er ronda | William Jansen | Lohithaksha Bathrinath | 6-1, 3-6, 6-1 | | match details | ||
| 05.09.22 | 2da ronda | Michael Zheng | William Jansen | 6-2, 7-5 | | match details | U.S. Open | Difícil |
| 04.09.22 | 1er ronda | William Jansen | Jeremy Jin | 6-1, 6-3 | | match details | ||
| 22.08.22 | calif. | Billy Blaydes | William Jansen | 6-2, 1-6, 10-7 | | match details | M25 Roehampton | Difícil |
| 21.08.22 | c 1 | William Jansen | Yujiro Onuma | 6-0, 6-2 | | match details | ||
| 17.08.22 | 1er ronda | Oscar Weightman | William Jansen | 6-2, 6-0 | | match details | M25 Aldershot | Difícil |
| 12.05.22 | 2da ronda | Billy Harris | William Jansen | 6-3, 6-1 | | match details | M25 Nottingham | Difícil |
| 10.05.22 | 1er ronda | William Jansen | Harry Wendelken | 6-4, 7-61 | | match details | ||
| 19.04.22 | 1er ronda | Yannick Mertens | William Jansen | 6-2, 5-7, 7-64 | | match details | M25 Nottingham | Difícil |
| 12.04.22 | 1er ronda | Daniel Little | William Jansen | 6-4, 6-4 | | match details | M25 Nottingham | Difícil |