| ITF Thailand F11 Qual | 2017/12/03 03:00 | Daniiar Duldaev v Colin Sinclair | 7-6,6-0 |
| ITF Thailand F11 Qual | 2017/12/02 05:00 | Colin Sinclair v Yuttana Charoenphon | 6-1,6-3 |
| ITF Thailand F10 | 2017/11/29 03:00 | Alexey Vatutin v Colin Sinclair | 4-6,6-2,6-1 |
| ITF Thailand F10 | 2017/11/28 06:20 | Colin Sinclair v Yan Sabanin | 3-6,7-5,6-3 |
| Challenger Hua Hin Qual | 2017/11/19 05:20 | Vasko Mladenov v Colin Sinclair | 6-3,7-6 |
| ITF Australia F7 Qual | 2017/10/07 02:30 | Colin Sinclair v Jesse Delaney | 6-3,6-7,4-6 |
| ITF Australia F6 | 2017/10/03 01:55 | Colin Sinclair v Jason Kubler | 4-6,4-6 |
| ITF Australia F6 | 2017/10/01 00:00 | Colin Sinclair v Lawrence Bataljin | 6-1,6-3 |
| ITF Thailand F10 Qual | 2017/11/25 04:00 | Chattarin Wareesri v Vorachon Rakpuangchon | 0-6,0-6 |
| ITF Thailand F1 | 2017/06/17 03:00 | Chattarin Wareesri v Tonkla Mulada | 0-6,0-6 |