| UTR - Pro Olomouc | 2023/09/12 06:00 | Petr Michnev v Sergo Sikharulidze | 6-1,5-2 |
| UTR - Pro Olomouc | 2023/09/11 06:00 | Rumler, Robert v Petr Michnev | 1-6,4-6 |
| 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 09:25 | Akram El Sallaly v Petr Michnev | 2-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/29 12:50 | Petr Michnev v Filip Vacula | 6-0,6-2 |
| ITF M25 Jablonec Nad Nisou | 2023/08/28 09:00 | Dao, Dung Em Oliver v Petr Michnev | 3-6,0-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/27 10:30 | Milosz Sroka v Petr Michnev | 0-6,3-6 |
| ITF M25 Wroclaw | 2021/06/30 09:30 | Orlando Luz v Petr Michnev | 6-2,6-4 |
| UTR - Pro Olomouc | 2023/09/11 07:30 | Matthew William Donald v Mikolaj Lis | 6-1,5-3 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/06 09:40 | Mikolaj Lis v Terczynski, Mateusz | 1-6,3-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/05 10:40 | Mikolaj Lis v Michal Matuszewski | 6-0,7-5 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 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 |
| ITF M25 Bielsko Biala | 2023/08/16 12:40 | Mikolaj Lis v Stephanos Schinas | 6-3,4-6,6-7 |
| ITF M25 Bielsko Biala | 2023/08/14 16:15 | Mikolaj Lis v Norbert Marosik | 6-2,7-6 |
| ITF M25 Bielsko Biala | 2023/08/14 10:30 | Mikolaj Lis v Martins Rocens | 6-7,6-4,11-9 |