| Czech TT Star Series | 2020/10/05 08:15 | Boguslav Koszyk v Jakub Seibert | W | 3-2 |
| TT Star Series | 2020/12/07 08:45 | Boguslav Koszyk v Michal Bankosz | L | 0-3 |
| Challenger Ochsenhausen | 2020/10/16 15:55 | Boguslav Koszyk v Pawel Koziel | W | 3-2 |
| Czech TT Star Series | 2020/10/09 10:45 | Antonin Gavlas v Boguslav Koszyk | L | 3-0 |
| Czech TT Star Series | 2020/10/09 08:15 | Petr David v Boguslav Koszyk | L | 3-2 |
| Czech TT Star Series | 2020/10/09 06:35 | Horacio Cifuentes v Boguslav Koszyk | L | 3-1 |
| Czech TT Star Series | 2020/10/08 13:45 | Boguslav Koszyk v Michal Obeslo | L | 2-3 |
| Czech TT Star Series | 2020/10/08 11:45 | Boguslav Koszyk v Dmitrij Prokopcov | L | 1-3 |
| Czech TT Star Series | 2020/10/08 09:15 | Boguslav Koszyk v Andrei Putuntica | L | 1-3 |
| TT Star Series | 2020/12/07 09:45 | Thomas Keinath v Jakub Seibert | L | 3-0 |
| TT Star Series | 2020/12/07 07:35 | Petr Husnik v Jakub Seibert | L | 3-0 |
| TT Star Series | 2020/11/28 11:45 | Tomas Martinko v Jakub Seibert | L | 3-1 |
| TT Star Series | 2020/11/28 09:15 | Petr David v Jakub Seibert | L | 3-0 |
| TT Star Series | 2020/11/28 07:35 | Patrik Klos v Jakub Seibert | L | 3-2 |
| TT Star Series | 2020/11/27 14:45 | Jakub Seibert v Thomas Keinath | L | 2-3 |
| TT Star Series | 2020/11/27 12:45 | Jakub Seibert v Joseph Cope | W | 3-1 |
| TT Star Series | 2020/11/27 10:15 | Jakub Seibert v Luke Savill | W | 3-2 |