| ITF M15 - Caloundra | 2022/07/28 01:05 | Mitchell Harper v Colin Sinclair | 3-6,6-2,6-1 |
| ITF M15 - Caloundra | 2022/07/27 03:55 | Mikal Statham v Colin Sinclair | 2-6,0-6 |
| ITF M15 - Caloundra | 2022/07/24 05:00 | Colin Sinclair v Thomas Fancutt | 4-6,1-6 |
| ITF M15 - Caloundra | 2022/07/23 23:50 | Matthew Romios v Colin Sinclair | 7-6,4-6,2-6 |
| ITF M15 - Caloundra | 2022/07/23 05:15 | Casey Hoole v Colin Sinclair | 3-6,3-6 |
| ITF M15 - Caloundra | 2022/07/23 01:30 | Sam Ryan Ziegann v Colin Sinclair | 5-7,1-6 |
| ITF M25 - Harmon | 2022/06/07 03:15 | Colin Sinclair v Geun Jun Kim | 6-7,3-6 |
| ITF M15 - Cairo | 2022/05/04 08:00 | Luca Fantini v Colin Sinclair | 6-3,3-6,6-1 |
| Davis Cup | 2021/10/20 06:00 | Ali Yazdani v Nawras Hussein | 6-0,6-1 |