Round: 45 Ground: Clay
| ITF Belgium F6 Qual | 2018/07/28 12:00 | Alex Knaff v Roberto S Quintana Llamas | 6-0,6-0 |
| ITF Belgium F5 | 2018/07/23 08:00 | Alex Knaff v Alexandru Vasile Manole | 2-6,3-6 |
| ITF Belgium F4 | 2018/07/17 10:40 | Maxime Pauwels v Alex Knaff | 6-2,6-2 |
| ITF Germany F6 | 2018/07/05 10:00 | Alex Knaff v Christoph Negritu | 2-6,4-6 |
| ITF Germany F6 | 2018/07/03 14:40 | Alexander Igoshin v Alex Knaff | 6-7,3-6 |
| ITF Belgium F2 | 2018/06/27 11:25 | Alex Knaff v Pascal Meis | 3-6,6-4,4-6 |
| ITF Belgium F2 Qual | 2018/06/25 09:45 | Alex Knaff v Antoine Damiens | 5-7,6-3,6-4 |
| ITF Belgium F2 Qual | 2018/06/24 11:00 | Alex Knaff v Marcel Marlon Sudzum | 6-1,2-6,6-4 |
| ITF Belgium F6 Qual | 2018/07/28 12:00 | Joaquin P M Bannen v Charles Bertimon | 3-6,1-6 |
| ITF France F15 | 2018/07/23 10:25 | Milen Ianakiev v Charles Bertimon | 6-4,4-6,6-2 |
| ITF France F15 Qual | 2018/07/22 08:00 | Lucas Bouquet v Charles Bertimon | 3-6,2-6 |
| ITF France F15 | 2018/07/21 09:45 | Maximilian Dietel v Charles Bertimon | 0-6,2-6 |
| ITF Belgium F4 | 2018/07/14 07:00 | Maxence Bertimon v Charles Bertimon | 6-3,6-2 |
| ITF France F8 Qual | 2018/04/23 08:00 | Alexis Boureau v Charles Bertimon | 6-3,6-3 |
| ITF France F8 Qual | 2018/04/22 07:30 | Charles Bertimon v Lucas Bouquet | 2-6,7-6,6-3 |
| ITF France F8 Qual | 2018/04/21 08:00 | Maxime Bisson v Charles Bertimon | 0-6,1-6 |