Ground: Carpet indoor
| UTR Pro Olomouc | 2023/07/06 07:30 | Christos Keisidis v Petr Iamachkine | 6-4,5-2 |
| UTR Pro Olomouc | 2023/07/05 08:05 | Christos Keisidis v Oleg Prihodko | 2-6,1-6 |
| UTR Pro Olomouc | 2023/07/04 06:00 | Christos Keisidis v Artem Podorozhnyi | 4-6,6-3,2-6 |
| UTR Pro Olomouc | 2023/07/03 11:30 | Christos Keisidis v Janos Fekete | 7-6,3-6,1-6 |
| ITF M25 Skopje | 2023/06/06 07:30 | Tymur Bieldiugin v Christos Keisidis | 7-6,2-6,10-8 |
| ITF M25 Skopje | 2023/06/05 07:55 | Erik Vladimirov v Christos Keisidis | 4-6,3-6 |
| ITF M25 Skopje | 2023/06/04 07:00 | Alexandar Balj v Christos Keisidis | 4-6,2-6 |
| UTR Pro Thessaloniki | 2023/04/28 05:00 | Christos Keisidis v Andreas Loizas | 2-5 |