| 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 |
| ITF M15 Alkmaar | 2019/06/26 09:25 | Charles Broom v Colin Sinclair | 3-6,6-4,1-6 |
| ITF M25 Huelva | 2019/06/13 10:00 | Juan Pablo Varillas v Colin Sinclair | 6-0,6-4 |
| ITF M25 Huelva | 2019/06/11 18:00 | Nicolas Alvarez Varona v Colin Sinclair | 7-6,4-6,2-6 |
| ITF M25 Karlsruhe | 2019/06/07 15:55 | Colin Sinclair v Marvin Netuschil | 4-6,2-6 |
| ITF M25 Karlsruhe | 2019/06/05 11:10 | Adrian Oetzbach v Colin Sinclair | 6-3,3-6,4-6 |
| ITF M25 Most | 2019/06/01 08:00 | Colin Sinclair v Jan Satral | 6-3,2-6,3-6 |
| Davis Cup | 2018/04/07 10:15 | Delton Kim v Saud Alhaqbani | 6-4,1-6,2-6 |
| Davis Cup | 2018/04/06 10:00 | Saud Alhaqbani v Jabor Mohammed Ali Mutawa | 4-6,2-6 |
| Davis Cup | 2018/04/05 10:00 | Mousa Alkotop v Saud Alhaqbani | 6-0,6-1 |
| Davis Cup | 2018/04/03 10:00 | Mohammad Ghareeb v Saud Alhaqbani | 7-5,6-1 |
| Davis Cup | 2017/04/07 08:10 | Samneang Long v Saud Alhaqbani | 6-1,6-0 |
| Davis Cup | 2017/04/06 08:05 | Saud Alhaqbani v Aung Kyaw Naing | 6-3,7-5 |