Stadium: Court 1 Oberhaching Round: 26 Ground: Carpet indoor
| ITF Germany F14 | 2018/10/03 15:50 | Louis Wessels v Kai Lemstra | 6-7,6-1,4-6 |
| 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 F14 | 2018/10/03 10:00 | Vadym Ursu v Paul Cayre | 5-7,2-6 |
| ITF France F19 | 2018/09/28 11:00 | Elmar Ejupovic v Paul Cayre | 7-6,6-2 |
| ITF France F19 | 2018/09/27 14:00 | Paul Cayre v Mats Rosenkranz | 4-6,7-5,6-4 |
| ITF France F19 | 2018/09/25 14:45 | Luka Pavlovic v Paul Cayre | 4-6,4-6 |
| ITF France F18 | 2018/09/16 08:00 | Paul Cayre v Ronan Joncour | 6-7,3-6 |
| Challenger Cassis | 2018/09/03 10:00 | Daniel Evans v Paul Cayre | 6-1,6-2 |
| Challenger Cassis | 2018/09/02 12:00 | Paul Cayre v Louis Tessa | 0-6,7-5,6-3 |
| ITF Italy F24 | 2018/08/22 12:10 | Luca Giacomini v Paul Cayre | 6-4,4-6,7-6 |