Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| Challenger Columbus 3 | 2019/09/17 15:40 | Colin Sinclair v Alexander Erler | 5-7,6-7 |
| ITF M15 - Monastir | 2021/02/23 11:10 | Alexander Erler v Ryota Tanuma | 6-4,6-4 |
| ITF M15 - Monastir | 2021/02/20 09:55 | Gauthier Onclin v Alexander Erler | 6-3,7-5 |
| ITF M15 - Monastir | 2021/02/19 10:25 | Alexander Erler v Jose Fco. Vidal Azorin | 6-4,4-6,6-4 |
| ITF M15 - Monastir | 2021/02/18 10:35 | Alexander Erler v Tom Kocevar-Desman | 6-1,6-7,6-3 |
| ITF M15 - Monastir | 2021/02/17 11:40 | Alexander Erler v Raphael Collignon | 6-4,3-6,6-2 |
| ITF M15 - Monastir | 2021/02/14 08:30 | Alexander Erler v Gauthier Onclin | 1-6,4-6 |
| ITF M15 - Monastir | 2021/02/13 09:00 | Alexander Erler v Tom Kocevar-Desman | 7-6,2-6,6-4 |
| ITF M15 - Monastir | 2021/02/12 08:25 | Skander Mansouri v Alexander Erler | 3-6,1-6 |
| ITF M15 - Monastir | 2021/02/24 08:00 | Colin Sinclair v Christoph Negritu | 6-1,7-5 |
| ITF M15 - Monastir | 2021/02/22 14:30 | Colin Sinclair v Daiki Yoshimura | 6-0,6-3 |
| ITF M15 - Monastir | 2021/02/22 09:00 | Colin Sinclair v Sami Ben Abdennibi | 7-6,6-3 |
| ITF M15 - Monastir | 2021/02/21 12:00 | Colin Sinclair v Vladislav Melnic | 4-6,7-5,10-6 |
| ITF M15 - Monastir | 2020/12/17 10:00 | Skander Mansouri v Colin Sinclair | 6-1,6-3 |
| ITF M15 - Monastir | 2020/12/16 13:25 | Colin Sinclair v Martin Breysach | 7-5,6-1 |
| ITF M15 - Monastir | 2020/12/10 08:00 | Colin Sinclair v Luca Potenza | 5-7,6-4,6-7 |
| ITF M15 - Monastir | 2020/12/02 09:30 | Luca Potenza v Colin Sinclair | 7-6,6-3 |