Stadium: Court 7 Round: 25 Ground: Clay
| ITF M25 Pardubice | 2023/09/19 08:00 | Matthew William Donald v Aleksander Chayka | 6-3,6-1 |
| ITF M25 Pardubice | 2023/09/18 08:00 | Stepan Pecak v Aleksander Chayka | 2-6,1-6 |
| ITF M25 Pardubice | 2023/09/17 09:00 | Dominik Hozman v Aleksander Chayka | 3-6,5-7 |
| ITF M25 Jin-čchuan | 2023/08/15 04:40 | Jiayang Dong v Aleksander Chayka | 6-7,7-5,10-8 |
| ITF M25 Jin-čchuan | 2023/08/14 02:00 | Xirui Han v Aleksander Chayka | 0-2 |
| ITF M25 Pao-tchou | 2023/08/06 08:30 | Xirui Liu v Aleksander Chayka | 7-6,0-6,10-5 |
| ITF M25 Anning | 2023/08/04 03:05 | Aleksander Chayka v Rigele Te | 1-6,6-7 |
| ITF M25 Anning | 2023/08/03 03:35 | Hanwen Li v Aleksander Chayka | 6-7,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/09/01 12:20 | Timo Stodder v Jiri Barnat | 7-6,6-0 |
| ITF M25 Jablonec Nad Nisou | 2023/08/31 10:40 | Petr Michnev v Jiri Barnat | 6-7,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/30 08:00 | Tristan Nitschke v Jiri Barnat | 2-6,2-6 |
| Challenger Praha | 2023/08/20 13:10 | Jiri Barnat v Kirill Kivattsev | 4-6,1-6 |
| ITF M25 Bielsko Biala | 2023/08/18 08:25 | Daniel Paty v Jiri Barnat | 6-2,7-6 |
| ITF M25 Bielsko Biala | 2023/08/17 08:30 | Mateusz Terczynski v Jiri Barnat | 4-6,7-6,4-6 |
| ITF M25 Bielsko Biala | 2023/08/15 08:25 | Jasza Szajrych v Jiri Barnat | 6-2,4-6,4-6 |
| ITF M25 Lodž | 2023/08/11 07:55 | Daniel Paty v Jiri Barnat | 7-5,3-6,6-3 |