| TT Star Series | 2021/10/10 15:21 | SHiyu Sun v Patrik Zatufka | W | 3-1 |
| 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 Wei, Shihao | 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 |
| Polish Open | 2020/03/11 15:40 | Franco, Carlos v Tomasz Kotowski | W | 2-3 |
| Challenger Ochsenhausen | 2020/03/05 17:27 | Tomasz Kotowski v Slawomir Dosz | L | 1-3 |
| Challenger Ochsenhausen | 2020/02/04 18:32 | Tomasz Kotowski v Piotr Chodorski | L | 0-3 |