Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Limassol | 2023/11/23 11:00 | Sebastian Sorger v Jonas Trinker | 6-4,1-6,6-1 |
| ITF M15 Limassol | 2023/11/21 09:45 | Sebastian Sorger v Mats Bredschneijder | 6-0,7-5 |
| ITF M15 Monastir | 2023/11/09 08:30 | Sebastian Sorger v Diego F Flores | 6-7,2-6 |
| ITF M15 Monastir | 2023/11/07 08:30 | Sebastian Sorger v Federico Bondioli | 6-4,7-5 |
| ITF M15 Monastir | 2023/11/01 08:00 | Sebastian Sorger v Jan Kupcic | 2-6,4-6 |
| ITF M25 Telavi | 2023/10/19 09:30 | Damien Wenger v Sebastian Sorger | 7-5,5-7,7-5 |
| ITF M25 Telavi | 2023/10/18 06:00 | Maxence Bertimon v Sebastian Sorger | 2-6,7-6,4-6 |
| ITF M25 Telavi | 2023/10/12 06:00 | Sebastian Sorger v Juan Pablo Paz | 6-2,5-7,4-6 |
| ITF M15 Limassol | 2023/11/23 09:25 | Kevin Edengren v Olaf Pieczkowski | 3-6,1-6 |
| ITF M15 Limassol | 2023/11/22 13:15 | Christopher Papa v Olaf Pieczkowski | 6-7,0-6 |
| Challenger Drummondville | 2023/11/16 23:30 | Dominik Koepfer v Olaf Pieczkowski | 6-4,6-4 |
| Challenger Drummondville | 2023/11/14 15:00 | Olaf Pieczkowski v Andrew Paulson | 4-6,6-3,6-1 |
| Challenger Drummondville | 2023/11/13 15:00 | Olaf Pieczkowski v Alexander Kotzen | 1-6,4-6 |
| 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 |