| Challenger New Haven | 2019/09/03 17:45 | Thai-Son Kwiatkowski v Colin Sinclair | 7-6,6-2 |
| ITF M15 Cancun | 2019/08/23 14:00 | Colin Sinclair v Thiago Agustin Tirante | 4-6,4-6 |
| ITF M15 Cancun | 2019/08/22 16:50 | Colin Sinclair v Sebastian Murillo | 6-3,6-4 |
| ITF M15 Cancun | 2019/08/20 18:10 | Colin Sinclair v Kalman Boyd | 6-1,7-6 |
| Challenger Vancouver | 2019/08/14 01:30 | Colin Sinclair v Vasek Pospisil | 4-6,7-5,2-6 |
| Challenger Lexington | 2019/07/29 23:00 | John McNally v Colin Sinclair | 7-6,3-6,6-1 |
| ITF M15 Alkmaar | 2019/06/28 11:00 | Niels Lootsma v Colin Sinclair | 6-1,6-1 |
| ITF M15 Alkmaar | 2019/06/27 12:25 | Luca Gelhardt v Colin Sinclair | 6-7,3-6 |
| Davis Cup | 2018/02/02 07:25 | Tin Myo Wai v Dipu Lal | 7-6,6-2 |
| Davis Cup | 2018/02/01 06:55 | Dipu Lal v Kirill Kistanov | 4-6,4-6 |
| Davis Cup | 2018/01/31 08:20 | Adel M Al-Saedi v Dipu Lal | 6-2,6-4 |
| Davis Cup | 2018/01/30 07:00 | Fahad Janahi v Dipu Lal | 6-2,6-2 |