| Challenger Ochsenhausen | 2020/03/05 17:27 | Tomasz Kotowski v Slawomir Dosz | W | 1-3 |
| Others | 2022/01/22 10:42 | Wojciech Kowalski v Slawomir Dosz | L | 3-2 |
| Others | 2021/04/22 15:51 | Jakub Krawczyk v Slawomir Dosz | W | 0-3 |
| Challenger Ochsenhausen | 2020/03/05 18:24 | Taimu Arinobu v Slawomir Dosz | L | 2-0 |
| Challenger Ochsenhausen | 2020/03/05 17:27 | Tomasz Kotowski v Slawomir Dosz | W | 1-3 |
| Challenger Ochsenhausen | 2020/02/23 15:20 | Szymon Kolasa v Slawomir Dosz | W | 2-3 |
| Challenger Ochsenhausen | 2020/02/06 17:16 | Robert Floras v Slawomir Dosz | L | 3-0 |
| Polish Grand Prix | 2019/11/23 12:36 | Slawomir Dosz v Marcin Balcerzak | W | 3-0 |
| Challenger Ochsenhausen | 2019/11/08 16:48 | Szymon Malicki v Slawomir Dosz | W | 1-3 |
| Challenger Ochsenhausen | 2022/01/07 18:00 | Patryk Zatowka v Tomasz Kotowski | W | 2-3 |
| Challenger Ochsenhausen | 2021/10/31 15:09 | Tomasz Tomaszuk v Tomasz Kotowski | W | 1-3 |
| Challenger Ochsenhausen | 2021/10/17 14:53 | SHiyu Sun v Tomasz Kotowski | L | 3-2 |
| Challenger Ochsenhausen | 2020/11/27 18:29 | Szymon Malicki v Tomasz Kotowski | L | 3-2 |
| Challenger Ochsenhausen | 2020/10/01 16:40 | Tomasz Kotowski v Shihao Wei | L | 2-3 |
| Challenger Ochsenhausen | 2020/09/29 16:00 | Marek Badowski v Tomasz Kotowski | L | 3-1 |
| Challenger Ochsenhausen | 2020/09/15 16:05 | Adam Dosz v Tomasz Kotowski | L | 3-0 |
| Polish Open | 2020/03/12 12:30 | Tomasz Kotowski v Satoshi Aida | W | 3-2 |