Stadium: Court 1 Round: 27 Ground: Clay
| ITF M25 Kassel | 2019/07/20 12:10 | Lucas Gerch v Louis Wessels | 7-5,6-4 |
| ITF M15 Antalya | 2021/05/28 08:20 | Pol Martin Tiffon v Lucas Gerch | 7-5,6-3 |
| ITF M15 Antalya | 2021/05/27 10:10 | Paul Woerner v Lucas Gerch | 7-5,6-7,3-6 |
| ITF M15 Antalya | 2021/05/26 12:00 | Giorgio Tabacco v Lucas Gerch | 2-6,3-6 |
| ITF M15 Antalya | 2021/05/20 07:30 | Lucas Gerch v Mariano Navone | 3-6,6-4,2-6 |
| ITF M15 Antalya | 2021/05/19 07:25 | Lucas Gerch v Fermin Tenti | 6-3,6-4 |
| ITF M15 Troisdorf | 2021/05/14 12:25 | Michael Geerts v Lucas Gerch | 7-5,6-4 |
| ITF M15 Troisdorf | 2021/05/13 09:00 | Kai Wehnelt v Lucas Gerch | 4-6,6-4,5-7 |
| ITF M15 Troisdorf | 2021/05/11 11:45 | Max Hans Rehberg v Lucas Gerch | 0-6,6-4,0-6 |
| ITF M15 Bucharest | 2021/05/25 15:00 | Facundo Juarez v Louis Wessels | 6-2,6-0 |
| ITF M15 Troisdorf | 2021/05/14 16:10 | Louis Wessels v Sebastian Fanselow | 4-6,5-7 |
| ITF M15 Troisdorf | 2021/05/13 11:45 | Louis Wessels v Marlon Vankan | 4-6,6-2,7-6 |
| ITF M15 Troisdorf | 2021/05/12 11:40 | Louis Wessels v Glenn Smits | 6-1,6-3 |
| ITF M15 Sibenik | 2021/04/21 08:00 | Louis Wessels v Simon Beaupain | 7-5,1-6,5-7 |
| ITF M25 Meerbusch | 2021/04/14 10:00 | Louis Wessels v Niels Visker | 2-6,2-6 |
| ITF M25 Naples | 2021/02/25 18:10 | Diego Hidalgo v Louis Wessels | 6-2,6-4 |
| ITF M25 Naples | 2021/02/24 18:45 | Louis Wessels v Bjorn Fratangelo | 6-7,7-5,6-4 |