Stadium: Court 5 Round: 62 Ground: Clay
| UTR Pro Olomouc | 2023/09/17 07:30 | Mikolaj Lis v Christos Keisidis | 1-6,3-6 |
| UTR Pro Olomouc | 2023/09/16 09:00 | Jan Jermar v Mikolaj Lis | 3-6,3-5 |
| 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 |