| UTR Pro Thessaloniki | 2023/04/27 05:00 | Christos Keisidis v Samuel Kyjaci | 3-6,2-6 |
| UTR Pro Thessaloniki | 2023/04/26 09:43 | Ivan Kremenchutskyi v Christos Keisidis | 2-6,7-6,7-6 |
| UTR Pro Thessaloniki | 2023/04/25 06:30 | Vasile Antonescu v Christos Keisidis | 6-4,6-3 |
| UTR Pro Beograd | 2023/04/22 07:30 | Christos Keisidis v Matija Samardzic | 3-6,0-5 |
| UTR Pro Beograd | 2023/04/21 08:46 | Christos Keisidis v Petr Nesterov | 3-6,4-0 |
| UTR Pro Beograd | 2023/04/20 06:00 | Christos Keisidis v Vanja Hodzic | 6-2,6-2 |
| UTR Pro Beograd | 2023/04/19 08:05 | Radomir Tomic v Christos Keisidis | 6-0,6-2 |
| UTR Pro Beograd | 2023/04/18 10:01 | Viktor Jovic v Christos Keisidis | 6-1,6-2 |
| UTR Pro Thessaloniki | 2023/04/27 06:30 | Ivan Kremenchutskyi v Andreas Loizas | 2-6,0-6 |
| UTR Pro Thessaloniki | 2023/04/26 09:40 | Vasile Antonescu v Andreas Loizas | 3-6,6-2,6-3 |
| UTR Pro Thessaloniki | 2023/04/24 05:00 | Samuel Kyjaci v Andreas Loizas | 6-4,6-7,3-6 |