Stadium: TVM Court (3) Round: 27 Ground: Hardcourt outdoor
| ITF - Troisdorf M15 | 2021/05/13 11:45 | Louis Wessels v Marlon Vankan | 4-6,6-2,7-6 |
| ITF - Troisdorf M15 | 2021/05/12 11:40 | Louis Wessels v Glenn Smits | 6-1,6-3 |
| ITF - Sibenik M15 | 2021/04/21 08:00 | Louis Wessels v Simon Beaupain | 7-5,1-6,5-7 |
| ITF - Meerbusch M25 | 2021/04/14 10:00 | Louis Wessels v Niels Visker | 2-6,2-6 |
| ITF - Naples M25 | 2021/02/25 18:10 | Diego Hidalgo v Louis Wessels | 6-2,6-4 |
| ITF - Naples M25 | 2021/02/24 18:45 | Louis Wessels v Bjorn Fratangelo | 6-7,7-5,6-4 |
| ITF - Naples M25 | 2021/02/18 16:50 | Louis Wessels v Michael Redlicki | 2-6,0-6 |
| ITF - Naples M25 | 2021/02/17 15:00 | Louis Wessels v Fletcher Scott | 6-2,6-4 |
| ITF - Troisdorf M15 | 2021/05/13 13:25 | Marvin Netuschil v Sebastian Fanselow | 2-6,1-6 |
| ITF - Troisdorf M15 | 2021/05/11 11:00 | Maximilian Dietel v Sebastian Fanselow | 0-6,1-6 |
| ITF - Majadahonda M15 | 2021/05/06 10:40 | Matteo Martineau v Sebastian Fanselow | 6-1,7-6 |
| ITF - Majadahonda M15 | 2021/05/05 09:00 | Ignacio B Alia v Sebastian Fanselow | 2-6,0-6 |
| ITF - Angers M25 | 2021/04/22 13:30 | Alvaro Lopez San Martin v Sebastian Fanselow | 2-6,6-1,6-4 |
| ITF - Angers M25 | 2021/04/21 15:05 | Sebastian Fanselow v Nikolas Sanchez Izquierdo | 6-2,7-5 |
| ITF - La Nucia M25 | 2021/03/19 14:05 | Sebastian Fanselow v Raul Brancaccio | 6-7,0-6 |
| ITF - Vale Do Lobo M25 | 2021/03/14 11:30 | Kaichi Uchida v Sebastian Fanselow | 5-7,7-6,7-6 |