| Davis Cup | 2017/07/19 10:05 | Sharmal Dissanayake v Colin Sinclair | 4-6,4-6 |
| Davis Cup | 2017/07/17 07:20 | Kareem Allaf v Colin Sinclair | 4-6,0-6 |
| ITF Belgium F4 Qual | 2017/07/08 16:20 | Maxence Broville v Colin Sinclair | 6-4,6-2 |
| ITF Belgium F3 | 2017/07/06 11:00 | Colin Sinclair v Alexis Musialek | 6-3,2-6,1-6 |
| ITF Belgium F3 | 2017/07/04 14:35 | Simon Navarro v Colin Sinclair | 6-7,7-6,2-6 |
| ITF Belgium F3 Qual | 2017/07/03 11:00 | Colin Sinclair v Teodor Giusca | 6-3,1-6,6-3 |
| ITF Belgium F3 Qual | 2017/07/02 08:00 | Constant De La Bassetiere v Colin Sinclair | 4-6,2-6 |
| ITF Belgium F3 Qual | 2017/07/01 10:00 | Mark S Meyer v Colin Sinclair | 0-6,1-6 |