Name: William Jansen
Country: United Kingdom
Birthdate: 06.12.04, 19 years
Prize money: 18644 $
Matches total: 58
Win: 31
%: 53.45 %
Country: United Kingdom
Birthdate: 06.12.04, 19 years
Prize money: 18644 $
Matches total: 58
Win: 31
%: 53.45 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 12/4 | 12/3 | 0/0 | 0/0 | 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 | 31/27 | 27/18 | 0/0 | 0/0 | 0/0 | 4/9 | 0/0 |
| perc. % | 53.45 % | 60 % | 0 % | 0 % | 0 % | 30.77 % | 0 % |
William Jansen / scheduled / last
| no matches found |
William Jansen form
William Jansen / last 50 matches
| 20.06.24 | 2nd round | Kasidit Samrej | William Jansen | 7-5, 6-4 |  | match details |  M15 Hong | Hard |
| 19.06.24 | 1st round | William Jansen | Thantub Suksumrarn | 6-3, 6-2 |  | match details | ||
| 18.06.24 | qual. | William Jansen | Charlie Pade | 6-1, 6-1 | | match details | ||
| 17.06.24 | q 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 | Hard |
| 13.06.24 | 2nd round | William Jansen | Tsung-Hao Huang | 6-3, 6-4 | | match details | ||
| 12.06.24 | 1st round | William Jansen | Yuichiro Inui | 6-4, 6-4 | | match details | ||
| 11.06.24 | qual. | William Jansen | Xirui Han | 6-3, 6-3 | | match details | ||
| 10.06.24 | q 1 | William Jansen | Guntinun Sootinun-Opart | 2-6, 6-0, 10-1 | | match details | ||
| 02.06.24 | q 1 | Alex Bolt | William Jansen | 7-63, 6-2 | | match details |  Surbiton Challenger | Grass |
| 24.05.24 | 1/4 | Arthur Bouquier | William Jansen | 6-3, 6-4 | | match details |  M15 Monastir | Hard |
| 23.05.24 | 2nd round | William Jansen | Pedro Araujo | 6-3, 6-1 | | match details | ||
| 22.05.24 | 1st round | William Jansen | Loic Namigandet Tenguere | 4-6, 6-1, 6-1 | | match details | ||
| 20.05.24 | qual. | William Jansen | Rushil Khosla | 7-5, 6-2 | | match details | ||
| 20.05.24 | q 2 | William Jansen | Lyle Zaloumis | 6-2, 6-2 | | match details | ||
| 19.05.24 | q 1 | William Jansen | Moritz Kudernatsch | 3-6, 6-2, 10-1 | | match details | ||
| 28.12.23 | 2nd round | Ryotaro Taguchi | William Jansen | 6-73, 6-2, 6-0 | | match details | M15 Monastir | Hard |
| 28.12.23 | 1st round | William Jansen | Francesco Ferrari | 4-6, 7-66, 6-1 | | match details | ||
| 25.12.23 | q 2 | William Jansen | Jordan Chrysostom | 6-2, 6-1 | | match details | ||
| 25.12.23 | qual. | William Jansen | Daniel Vishnick | 6-2, 6-1 | | match details | ||
| 24.12.23 | q 1 | William Jansen | Josh Roe Flannelly | 6-1, 6-0 | | match details | ||
| 08.11.23 | 1st round | Brian Cernoch | William Jansen | 6-4, 7-64 | | match details |  M15 Winston | Hard |
| 13.09.23 | 1st round | Thai Kwiatkowski | William Jansen | 6-4, 6-3 | | match details | Cary 2 | Hard |
| 10.08.23 | 2nd round | Oscar Weightman | William Jansen | 4-6, 4-2, William Jansen - retired | | match details | M25 Roehampton | Hard |
| 09.08.23 | 1st round | William Jansen | Johannus Monday | 7-5, 6-2 | | match details | ||
| 01.08.23 | 1st round | Luke Simkiss | William Jansen | 6-3, 1-6, 7-5 | | match details | M25 Roehampton | Hard |
| 19.07.23 | 2nd round | Daniel Cox | William Jansen | 6-75, 6-4, 7-5 | | match details | M25 Roehampton | Grass |
| 18.07.23 | 1st round | William Jansen | Johannes Ingildsen | 6-2, 7-5 | | match details | ||
| 12.07.23 | 1st round | Billy Blaydes | William Jansen | 7-65, 6-4 | | match details | M25 Nottingham | Grass |
| 08.12.22 | 2nd round | Samuel Vincent Ruggeri | William Jansen | 7-64, 1-6, 7-67 | | match details |  M15 Sharm | Hard |
| 07.12.22 | 1st round | William Jansen | Michael Bassem Sobhy | 6-3, 3-6, 6-2 | | match details | ||
| 24.11.22 | 2nd round | Adolfo Daniel Vallejo | William Jansen | 7-63, 6-4 | | match details |  M15 Madrid | Hard |
| 23.11.22 | 1st round | 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 | Hard |
| 04.11.22 | 1/4 | William Jansen | Antoine Vincent | 6-2, 6-1 | | match details | ||
| 03.11.22 | 2nd round | William Jansen | Dominik Palan | 6-3, 6-2 | | match details | ||
| 02.11.22 | 1st round | 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 | Hard |
| 27.10.22 | 2nd round | William Jansen | Cyril Vandermeersch | 7-66, 6-2 | | match details | ||
| 26.10.22 | 1st round | William Jansen | Lohithaksha Bathrinath | 6-1, 3-6, 6-1 | | match details | ||
| 05.09.22 | 2nd round | Michael Zheng | William Jansen | 6-2, 7-5 | | match details | U.S. Open | Hard |
| 04.09.22 | 1st round | William Jansen | Jeremy Jin | 6-1, 6-3 | | match details | ||
| 22.08.22 | qual. | Billy Blaydes | William Jansen | 6-2, 1-6, 10-7 | | match details | M25 Roehampton | Hard |
| 21.08.22 | q 1 | William Jansen | Yujiro Onuma | 6-0, 6-2 | | match details | ||
| 17.08.22 | 1st round | Oscar Weightman | William Jansen | 6-2, 6-0 | | match details | M25 Aldershot | Hard |
| 25.07.22 | qual. | Julian Cash | William Jansen | 7-610, 6-1 | | match details | M25 Nottingham | Grass |
| 24.07.22 | q 1 | William Jansen | Josef Southcombe | 6-1, 6-2 | | match details | ||
| 13.07.22 | 2nd round | Henry Patten | William Jansen | 6-1, 6-4 | | match details | M25 Roehampton | Grass |
| 12.07.22 | 1st round | William Jansen | Maceo Simpson | 6-1, 6-1 | | match details | ||
| 05.07.22 | 2nd round | Gilles Arnaud Bailly | William Jansen | 6-4, 6-3 | | match details | Wimbledon (juniors) | Grass |
