| 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 | 2020/08/21 06:35 | Boguslav Koszyk v Antonin Gavlas | L | 0-3 |
| Czech TT Star Series | 2020/08/20 12:10 | Boguslav Koszyk v Michal Obeslo | L | 0-3 |
| Czech TT Star Series | 2020/08/20 09:45 | Boguslav Koszyk v Jiri Vrablik | L | 0-3 |
| Czech TT Star Series | 2020/09/25 10:45 | Jakub Seibert v Adrian Wiecek | W | 3-1 |
| Czech TT Star Series | 2020/09/25 09:15 | Jakub Seibert v Tomas Tregler | L | 0-3 |
| Czech TT Star Series | 2020/09/25 07:45 | Jakub Seibert v Alessandro Baciocchi | W | 3-0 |
| Czech Republic First League | 2020/09/24 17:11 | Jakub Seibert v Jakub Crha | W | 3-2 |
| Czech Republic First League | 2020/09/24 16:07 | Jakub Seibert v Vlastimil Buben | W | 3-0 |
| Czech TT Star Series | 2020/09/24 12:15 | Petr Husnik v Jakub Seibert | W | 2-3 |
| Czech TT Star Series | 2020/09/24 10:15 | Marco Rech Daldosso v Jakub Seibert | L | 3-0 |
| Czech TT Star Series | 2020/09/24 08:45 | Jakub Seibert v David Reitspies | L | 2-3 |