| UTR Pro - Olomouc | 2023/11/06 07:00 | Christos Keisidis v Gabor Mathe | 7-5,6-2 |
| UTR Pro - Zadar | 2023/10/22 18:19 | Janos Fekete v Christos Keisidis | 6-4,2-6,4-0 |
| UTR Pro - Zadar | 2023/10/22 13:00 | Christos Keisidis v Josip Simundza | 7-6,6-3 |
| UTR Pro - Zadar | 2023/10/20 09:02 | Tim Heger v Christos Keisidis | 4-6,3-5 |
| UTR Pro - Zadar | 2023/10/19 06:00 | Josh Roe Flannelly v Christos Keisidis | 0-6,0-2 |
| UTR Pro - Zadar | 2023/10/17 07:30 | Duje Kekez v Christos Keisidis | 6-3,6-3 |
| UTR Pro - Zadar | 2023/10/16 10:15 | Christos Keisidis v Hugo Coquelin | 6-4,6-2 |
| UTR Pro - Belgrado | 2023/10/14 07:30 | Karlo Kajin v Christos Keisidis | 4-6,6-3,5-1 |
| UTR Pro - Olomouc | 2023/11/06 09:19 | Jakub Vrba v Oleg Prihodko | 1-6,3-6 |
| ITF - M25 Jablonec Nad Nisou | 2023/08/30 07:55 | Vitek Horak v Jakub Vrba | 6-2,6-4 |