Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/04/04 12:30 | Charlie Robertson v Zhan Zheng | 0-6,3-6 |
| ITF M15 Monastir | 2023/04/04 08:30 | Martin Mazev v Zhan Zheng | 4-6,0-6 |
| ITF M15 Monastir | 2023/04/03 11:30 | Zhan Zheng v Sven Corbinais | 4-6,6-4,11-9 |
| ITF M15 Monastir | 2023/03/27 08:30 | Daniil Ostapenkov v Zhan Zheng | 6-2,6-1 |
| ITF M15 Monastir | 2023/03/26 08:30 | Zhan Zheng v Alexey Dubinin | 6-2,6-0 |
| ITF M15 Monastir | 2023/03/12 12:00 | Zhan Zheng v Pablo Trochu | 7-6,5-7,9-11 |
| ITF M15 Monastir | 2023/03/05 10:30 | Zhan Zheng v Jack Loge | 2-6,0-6 |
| ITF M15 Monastir | 2023/02/26 08:00 | Zhan Zheng v Mohamed Ali Abibsi | 6-7,3-6 |
| ITF M15 Monastir | 2023/04/04 12:30 | Jonas Schaer v Aaron Gil Garcia | 3-6,7-6,12-10 |
| ITF M15 Monastir | 2023/03/27 15:55 | Jonas Schaer v Federico Salomone | 3-6,0-6 |
| ITF M15 Monastir | 2023/03/27 08:30 | Jonas Schaer v Youssef Labbene | 7-6,4-6,10-2 |
| ITF M15 Monastir | 2023/03/26 08:30 | Jonas Schaer v Oleg Syrovatskiy | 6-0,6-3 |
| Challenger Biel | 2023/03/19 10:45 | Jonas Schaer v Saba Purtseladze | 6-4,3-6,2-6 |
| ITF M25 Trimbach | 2023/03/16 12:35 | Neil Oberleitner v Jonas Schaer | 7-6,6-3 |
| ITF M25 Trimbach | 2023/03/15 14:25 | Matthias Bachinger v Jonas Schaer | 3-6,6-0,3-6 |
| ITF M25 Trimbach | 2023/03/13 11:20 | Jonas Schaer v Jacob Kahoun | 6-4,6-1 |