Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/12/24 08:00 | William Jansen v Josh Roe Flannelly | 6-1,6-0 |
| ITF M15 Winston-Salem | 2023/11/08 21:00 | Brian Cernoch v William Jansen | 6-4,7-6 |
| Challenger Cary | 2023/09/13 17:30 | William Jansen v Thai-Son Kwiatkowski | 4-6,3-6 |
| ITF M25 Roehampton | 2023/08/09 12:30 | Johannus Monday v William Jansen | 5-7,2-6 |
| ITF M25 Roehampton | 2023/08/01 11:55 | William Jansen v Luke Simkiss | 3-6,6-1,5-7 |
| ITF M25 Roehampton | 2023/07/19 10:50 | William Jansen v Daniel Cox | 7-6,4-6,5-7 |
| ITF M25 Roehampton | 2023/07/18 10:00 | William Jansen v Johannes Ingildsen | 6-2,7-5 |
| ITF M25 Nottingham | 2023/07/12 09:50 | Billy Blaydes v William Jansen | 7-6,6-4 |
| ITF M15 Monastir | 2023/12/25 09:00 | Daniel Vishnick v Matt Ponchet | 6-1,6-1 |
| ITF M15 Monastir | 2023/12/24 08:00 | Dorian Kos v Daniel Vishnick | 3-6,4-6 |
| ITF M15 Monastir | 2023/12/11 08:30 | Daniel Vishnick v Mehdi Benchakroun | 0-6,2-6 |
| ITF M15 Monastir | 2023/12/10 08:30 | Ignasi Forcano v Daniel Vishnick | 6-0,3-6,15-17 |
| ITF M15 Monastir | 2023/12/04 08:00 | Daniel Vishnick v Mehdi Sadaoui | 3-6,0-6 |
| ITF M25 Santo Domingo | 2023/06/18 15:00 | Daniel Vishnick v Alex Del Corral | 4-6,7-5,8-10 |
| Tennis Point Exhibition Series | 2020/08/01 11:30 | Florian Broska v Daniel Vishnick | 6-2,6-0 |
| Tennis Point Exhibition Series | 2020/07/31 09:30 | Daniel Vishnick v Benjamin Hassan | 1-6,1-6 |