| UTR Pro Olomouc | 2023/09/15 06:00 | Christos Keisidis v Oleg Prihodko | 1-6,1-6 |
| UTR Pro Olomouc | 2023/09/13 06:00 | Dominik Recek v Christos Keisidis | 6-2,6-1 |
| UTR Pro Sofia | 2023/09/09 08:00 | Vardan Manukyan v Christos Keisidis | 0-4 |
| UTR Pro Sofia | 2023/09/08 05:00 | Sergo Sikharulidze v Christos Keisidis | 2-6,3-6 |
| UTR Pro Sofia | 2023/09/07 06:30 | Gabriel Donev v Christos Keisidis | 6-3,6-2 |
| UTR Pro Sofia | 2023/09/05 07:42 | Janos Fekete v Christos Keisidis | 6-0,6-1 |
| UTR Pro Sofia | 2023/09/04 07:04 | Christos Keisidis v Milen Ianakiev | 3-6,5-7 |
| UTR Pro Olomouc | 2023/07/09 06:00 | Christos Keisidis v Adam Jurajda | 6-4,6-2 |
| UTR Pro Olomouc | 2023/09/14 07:30 | Jakub Novak v Josef Vagner | 6-4,6-3 |
| UTR Pro Olomouc | 2023/09/13 07:30 | Jakub Novak v Maciej Rajski | 5-7,2-6 |
| UTR Pro Olomouc | 2023/09/12 06:00 | Jakub Novak v Michal Lusovsky | 4-6,5-6 |
| UTR Pro Olomouc | 2023/09/11 07:30 | Jakub Novak v Filip Duda | 3-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/29 12:45 | Patrik Homola v Jakub Novak | 3-6,7-6,10-5 |
| ITF M25 Jablonec Nad Nisou | 2023/08/27 08:00 | Johannes Fleischmann v Jakub Novak | 3-6,6-7 |
| ITF M25 Łódź | 2023/08/07 13:30 | Jakub Novak v Daniel Orlita | 4-6,1-6 |
| ITF M25 Kramsach | 2023/07/24 11:00 | Martin Benes v Jakub Novak | 2-6,6-3,10-3 |