Stadium: Court 1 Oberhaching Round: 25 Ground: Carpet indoor
| ITF Italy F28 | 2018/09/18 15:25 | Louis Wessels v Federico Iannaccone | 2-6,5-7 |
| ITF Italy F27 | 2018/09/15 12:00 | Marco Bortolotti v Louis Wessels | 3-6,7-5,1-6 |
| ITF Italy F27 | 2018/09/14 13:00 | Louis Wessels v Riccardo Bonadio | 2-6,6-3,6-2 |
| ITF Italy F27 | 2018/09/13 14:30 | Alessandro Ingarao v Louis Wessels | 1-6,1-6 |
| ITF Italy F27 | 2018/09/12 16:05 | Remy Bertola v Louis Wessels | 3-6,4-6 |
| ITF Italy F27 | 2018/09/11 12:00 | Federico Iannaccone v Louis Wessels | 1-6,2-6 |
| ITF Switzerland F5 | 2018/09/08 11:55 | Louis Wessels v Sandro Ehrat | 6-3,6-4 |
| ITF Switzerland F5 | 2018/09/07 11:00 | Harri Heliovaara v Louis Wessels | 6-1,4-6,1-6 |
| ITF Germany F13 | 2018/08/20 09:00 | Kai Lemstra v Jordi Walder | 3-6,6-1,3-6 |
| ITF Germany F12 | 2018/08/15 15:00 | Dan Added v Kai Lemstra | 7-5,6-2 |
| ITF Slovakia F2 | 2018/07/31 07:00 | Kai Lemstra v Samuel Hodor | 4-6,2-6 |
| ITF Slovakia F2 | 2018/07/30 07:00 | Kai Lemstra v Daniel Rabas | 6-1,6-1 |
| ITF Slovakia F2 | 2018/07/29 07:00 | Kai Lemstra v Filip Kucbel | 6-1,6-1 |
| ITF Germany F9 | 2018/07/24 14:45 | Kai Lemstra v Christoph Negritu | 2-6,4-6 |
| ITF Germany F8 Qual | 2018/07/15 10:30 | Hamish Stewart v Kai Lemstra | 6-3,6-4 |
| ITF Germany F7 | 2018/07/10 11:35 | Alexis Klegou v Kai Lemstra | 6-7,6-4,6-3 |