| UTR Pro - Olomouc | 2023/09/15 06:00 | Dimitrije Zubac v Jan Jermar | 5-7,2-6 |
| UTR Pro - Olomouc | 2023/09/14 11:46 | Lukas Rosol v Jan Jermar | 7-6,6-3 |
| UTR Pro - Olomouc | 2023/09/12 06:00 | Pavel Nejedly v Jan Jermar | 6-2,5-1 |
| UTR Pro - Olomouc | 2023/09/11 06:00 | Jan Jermar v Daniel Orlita | 3-6,6-3,6-7 |
| ITF - M25 Sion | 2023/08/30 08:00 | Stepan Pecak v Jan Jermar | 5-7,7-6,6-3 |
| ITF - M25 Sion | 2023/08/28 17:35 | Luca Parenti v Jan Jermar | 3-6,6-3,6-10 |
| ITF - M25 Sion | 2023/08/27 11:05 | Mathieu Bornet v Jan Jermar | 3-6,1-6 |
| ITF - M15 Caslano | 2023/08/20 12:25 | Giacomo Crisostomo v Jan Jermar | 6-2,6-0 |
| UTR Pro - Olomouc | 2023/09/15 07:30 | Sergo Sikharulidze v Mikolaj Lis | 4-6,3-6 |
| UTR Pro - Olomouc | 2023/09/14 11:51 | Robert Rumler v Mikolaj Lis | 6-2,1-6,6-3 |
| UTR Pro - Olomouc | 2023/09/13 06:00 | Petr Michnev v Mikolaj Lis | 6-3,6-1 |
| UTR Pro - Olomouc | 2023/09/11 07:30 | Matthew William Donald v Mikolaj Lis | 6-1,5-3 |
| ITF - M15 Koszalin | 2023/09/06 09:40 | Mikolaj Lis v Mateusz Terczynski | 1-6,3-6 |
| ITF - M15 Koszalin | 2023/09/05 10:40 | Mikolaj Lis v Michal Matuszewski | 6-0,7-5 |
| ITF - M15 Koszalin | 2023/09/04 12:00 | Mikolaj Lis v William Rejchtman Vinciguerra | 4-6,6-3,10-5 |
| ITF - M15 Szczawno | 2023/08/28 10:00 | Mikolaj Lis v Maciej Matuszczyk | 6-4,3-6,8-10 |