| Czech TT Star Series | 2020/10/11 07:10 | Ondrej Bajger v Walaszek, Przemyslaw | L | 3-0 |
| Czech TT Star Series | 2020/10/10 13:45 | Jan Valenta v Walaszek, Przemyslaw | W | 2-3 |
| Czech TT Star Series | 2020/10/10 11:15 | Petr David v Walaszek, Przemyslaw | L | 3-0 |
| Czech TT Star Series | 2020/10/10 08:45 | Michal Obeslo v Walaszek, Przemyslaw | L | 3-0 |
| Challenger Ochsenhausen | 2020/02/25 17:12 | Yang Wang v Walaszek, Przemyslaw | L | 3-1 |
| Challenger Ochsenhausen | 2020/02/23 15:20 | Walaszek, Przemyslaw v Yoshida, Masaki | L | 0-3 |
| Challenger Ochsenhausen | 2020/02/06 11:20 | Walaszek, Przemyslaw v Jeongwoo Park | L | 0-3 |
| Challenger Ochsenhausen | 2020/01/12 16:24 | Walaszek, Przemyslaw v Thakkar Manav | L | 0-3 |
| Czech TT Star Series | 2020/10/11 07:45 | Michal Obeslo v Jakub Seibert | L | 3-0 |
| Czech TT Star Series | 2020/10/10 13:15 | Ondrej Bajger v Jakub Seibert | W | 1-3 |
| Czech TT Star Series | 2020/10/10 10:45 | Miroslav Sklensky v Jakub Seibert | L | 3-2 |
| Czech TT Star Series | 2020/10/10 09:15 | Jan Valenta v Jakub Seibert | L | 3-0 |
| Czech TT Star Series | 2020/10/06 13:20 | Jakub Seibert v Putuntica, Andrei | L | 0-3 |
| Czech TT Star Series | 2020/10/06 12:15 | Horacio Cifuentes v Jakub Seibert | L | 3-0 |
| Czech TT Star Series | 2020/10/06 10:15 | Jakub Seibert v Horacio Cifuentes | L | 0-3 |
| Czech TT Star Series | 2020/10/06 08:15 | Jakub Seibert v Tomasz Rakowski | W | 3-0 |