| Czech TT Star Series | 2020/09/25 10:45 | Jakub Seibert v Adrian Wiecek | L | 3-1 |
| Czech TT Star Series | 2020/09/10 10:15 | Adrian Wiecek v Jakub Seibert | L | 1-3 |
| TT Star Series | 2021/01/18 08:45 | Adrian Wiecek v Antoni Witkowski | L | 2-3 |
| TT Star Series | 2021/01/15 12:15 | Tomas Konecny v Adrian Wiecek | L | 3-2 |
| TT Star Series | 2021/01/15 10:45 | David Reitspies v Adrian Wiecek | L | 3-1 |
| TT Star Series | 2021/01/15 08:45 | Michal Bankosz v Adrian Wiecek | W | 1-3 |
| TT Star Series | 2021/01/14 14:15 | Pawel Grela v Adrian Wiecek | W | 2-3 |
| TT Star Series | 2021/01/14 11:45 | Petr Husnik v Adrian Wiecek | L | 3-2 |
| TT Star Series | 2021/01/14 10:15 | Jiri Vrablik v Adrian Wiecek | L | 3-0 |
| TT Star Series | 2021/01/08 12:15 | Tomas Konecny v Adrian Wiecek | L | 3-1 |
| TT Star Series | 2021/01/18 08:10 | Dmitrij Prokopcov v Jakub Seibert | W | 2-3 |
| TT Star Series | 2021/01/12 12:45 | Tomas Tregler v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/01/12 10:45 | Jakub Seibert v Dmitrij Prokopcov | L | 0-3 |
| TT Star Series | 2021/01/12 08:10 | Tomas Koldas v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/01/11 14:45 | Filip Cernota v Jakub Seibert | W | 1-3 |
| TT Star Series | 2021/01/11 12:15 | David Reitspies v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/01/11 09:45 | Hampus Soderlund v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/01/11 07:35 | Tomas Konecny v Jakub Seibert | L | 3-0 |