Stadium: COURT 1 Round: 27 Ground: Clay
| ITF Belgium F6 | 2018/08/02 13:20 | Geens, Clement v Sinclair, Colin | 3-6,6-7 |
| ITF Belgium F5 | 2018/07/25 12:10 | Pauwels, Maxime v Sinclair, Colin | 7-6,4-6,6-4 |
| ITF Belgium F5 | 2018/07/24 14:00 | Sinclair, Colin v Gabriel Donev | 6-3,6-4 |
| ITF Belgium F4 | 2018/07/18 12:55 | Sonkin, Jeremy v Sinclair, Colin | 7-6,7-5 |
| ITF Belgium F4 | 2018/07/17 13:10 | Sinclair, Colin v Zizou Bergs | 0-6,7-5,6-3 |
| ITF Netherlands F3 | 2018/07/07 09:30 | Sinclair, Colin v van Buuren, Ilco | 6-2,6-2 |
| ITF Netherlands F3 | 2018/07/07 08:00 | Sinclair, Colin v Meuffels, Alban | 2-6,4-6 |
| Coupe Davis | 2018/04/04 11:50 | Sinclair, Colin v Chin, Christian Didier | 3-6,2-6 |
| ITF Belgium F6 | 2018/08/02 11:00 | Cloes, Loic v Christoph Negritu | 6-1,1-6,7-5 |
| ITF Belgium F6 | 2018/08/01 13:00 | Fallert, Florian v Cloes, Loic | 1-6,4-6 |
| ITF Belgium F6 Qual | 2018/07/30 09:55 | Cloes, Loic v Kuerschner, Alexander | 7-6,7-6 |
| ITF Belgium F6 Qual | 2018/07/29 08:00 | Dhoe, Benjamin v Cloes, Loic | 5-7,5-7 |
| ITF Belgium F6 Qual | 2018/07/28 07:00 | Duquesne, Goran v Cloes, Loic | 3-6,0-6 |
| ITF Belgium F3 | 2018/07/04 08:00 | Cloes, Loic v Nikita Mashtakov | 4-6,6-0,4-6 |
| ITF Belgium F2 | 2018/06/27 09:00 | de La Bassetiere, Constant v Cloes, Loic | 7-6,6-3 |
| ITF Belgium F1 | 2018/06/19 08:00 | Pla Malfeito, Jaume v Cloes, Loic | 6-1,6-2 |