Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| Challenger Drummondville | 2023/11/12 16:25 | Olaf Pieczkowski v Marko Stakusic | 7-6,5-7,6-2 |
| ITF M15 Monastir | 2023/11/05 08:30 | Elliot Benchetrit v Olaf Pieczkowski | 6-2,6-3 |
| ITF M15 Monastir | 2023/11/03 08:30 | John Sperle v Olaf Pieczkowski | 3-6,2-6 |
| ITF M15 Monastir | 2023/11/02 10:55 | Fabio De Michele v Olaf Pieczkowski | 4-6,4-6 |
| ITF M15 Monastir | 2023/11/01 08:00 | Diego F Flores v Olaf Pieczkowski | 4-6,6-2,2-6 |
| ITF M15 Monastir | 2023/10/29 08:30 | Olaf Pieczkowski v Alberto Barroso Campos | 1-6,1-6 |
| ITF M15 Monastir | 2023/10/28 08:30 | Guido Ivan Justo v Olaf Pieczkowski | 6-1,6-7,3-6 |
| ITF M15 Monastir | 2023/10/27 08:30 | Adrien Gobat v Olaf Pieczkowski | 4-6,5-7 |
| ITF M25 Sharm El Sheikh | 2023/10/31 07:55 | Petr Bar Biryukov v Yuquan Jin | 6-4,6-2 |
| ITF M25 Sharm El Sheikh | 2023/10/30 10:20 | Yuquan Jin v Aleksander Chayka | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2023/10/24 07:00 | Harrison Adams v Yuquan Jin | 6-2,6-2 |
| ITF M15 Sharm El Sheikh | 2023/10/23 09:30 | Noah Thurner v Yuquan Jin | 4-6,6-7 |
| ITF M15 Sharm El Sheikh | 2023/10/22 11:00 | Milos Mikovic v Yuquan Jin | 3-6,4-6 |
| ITF M15 Sharm El Sheikh | 2023/10/16 10:30 | Harrison Adams v Yuquan Jin | 6-1,6-2 |
| ITF M15 Sharm El Sheikh | 2023/10/15 10:30 | Jakub Novak v Yuquan Jin | 4-6,6-2,0-10 |
| UTR Pro Beograd | 2023/10/05 07:15 | Yuquan Jin v Vladan Tadic | 6-7,2-6 |