| Czech TT Star Series | 2020/10/05 12:45 | Boguslav Koszyk v Oleksandr Tymofieiev | W | 3-0 |
| Czech TT Star Series | 2020/10/05 10:15 | Boguslav Koszyk v Andrei Putuntica | L | 0-3 |
| Czech TT Star Series | 2020/10/05 08:15 | Boguslav Koszyk v Jakub Seibert | W | 3-2 |
| Challenger Ochsenhausen | 2020/09/20 15:20 | Boguslav Koszyk v Viacheslav Burov | L | 0-3 |
| Challenger Ochsenhausen | 2020/09/15 16:41 | Boguslav Koszyk v Konrad Kulpa | L | 0-3 |
| Challenger Ochsenhausen | 2020/09/13 15:31 | Li Youngyin v Boguslav Koszyk | L | 3-0 |
| Czech TT Star Series | 2020/08/21 11:40 | Boguslav Koszyk v Dmitrij Prokopcov | L | 2-3 |
| Czech TT Star Series | 2020/08/21 08:45 | Boguslav Koszyk v Tomas Konecny | L | 0-3 |
| Czech TT Star Series | 2020/10/05 12:41 | Tomasz Rakowski v Tomas Tregler | L | 1-3 |
| Czech TT Star Series | 2020/10/05 11:45 | Tomasz Rakowski v Horacio Cifuentes | L | 0-3 |
| Czech TT Star Series | 2020/10/05 09:15 | Tomasz Rakowski v Igor Misztal | W | 3-1 |