Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Granby | 2023/07/17 17:05 | Colin Sinclair v Philip Sekulic | 3-6,4-6 |
| Challenger Granby | 2023/07/16 22:30 | Colin Sinclair v Martin Damm | 6-7,7-6,6-3 |
| Challenger Chicago | 2023/07/10 17:05 | Omar Jasika v Colin Sinclair | 6-4,6-4 |
| Challenger Chicago | 2023/07/09 19:05 | Strong Kirchheimer v Colin Sinclair | 6-7,4-6 |
| Challenger Bloomfield Hills | 2023/07/03 20:50 | Evan Zhu v Colin Sinclair | 7-5,1-6,6-2 |
| Challenger Bloomfield Hills | 2023/07/02 18:00 | Patrick Maloney v Colin Sinclair | 7-6,6-7,3-6 |
| ITF M25 Tulsa | 2023/06/20 16:00 | Adam Neff v Colin Sinclair | 4-6,7-5,7-5 |
| Challenger Palmas del Mar | 2023/06/14 15:00 | Liam Draxl v Colin Sinclair | 7-6,6-3 |
| Challenger Amersfoort | 2023/07/20 09:00 | Mathys Erhard v Nicholas David Ionel | 6-2,6-3 |
| Challenger Amersfoort | 2023/07/18 11:40 | Tibo Colson v Mathys Erhard | 6-7,6-7 |
| Challenger Amersfoort | 2023/07/17 09:00 | Mathys Erhard v Luca Potenza | 6-1,6-2 |
| Challenger Amersfoort | 2023/07/16 09:00 | Mathys Erhard v Stijn Slump | 6-2,6-4 |
| ITF M25 Uriage | 2023/07/14 08:00 | Tristan Lamasine v Mathys Erhard | 6-1,6-1 |
| ITF M25 Uriage | 2023/07/13 09:30 | Nikolay Vylegzhanin v Mathys Erhard | 3-6,5-7 |
| ITF M25 Uriage | 2023/07/12 09:20 | Lucas Bouquet v Mathys Erhard | 6-4,6-7,1-6 |
| Challenger Troyes | 2023/07/05 15:55 | Manuel Guinard v Mathys Erhard | 6-4,6-1 |