| TT Star Series | 2021/05/10 13:05 | Jakub Seibert v Miroslav Horejsi | L | 0-3 |
| TT Star Series | 2021/04/29 13:15 | Miroslav Horejsi v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/04/12 10:15 | Jakub Seibert v Miroslav Horejsi | L | 1-3 |
| TT Star Series | 2021/04/05 12:15 | Jakub Seibert v Miroslav Horejsi | L | 1-3 |
| TT Star Series | 2021/03/25 10:45 | Jakub Seibert v Miroslav Horejsi | W | 3-2 |
| TT Star Series | 2021/02/25 12:45 | Miroslav Horejsi v Jakub Seibert | W | 2-3 |
| TT Star Series | 2021/02/22 14:15 | Miroslav Horejsi v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/02/18 08:45 | Jakub Seibert v Miroslav Horejsi | L | 0-3 |
| Others | 2021/09/24 15:08 | Jakub Kleprlik v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/09/21 11:15 | Viktor Brodd v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/09/21 09:45 | Tomas Tregler v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/09/21 07:45 | Oleksandr Tymofieiev v Jakub Seibert | W | 2-3 |
| TT Star Series | 2021/09/20 13:15 | Amirreza Abbasi v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/09/20 10:45 | Thomas Keinath v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/09/20 09:15 | David Reitspies v Jakub Seibert | L | 3-0 |
| Others | 2021/09/03 13:48 | Jakub Seibert v Miroslav Sklensky | W | 3-2 |
| TT Star Series | 2021/09/24 13:45 | Miroslav Horejsi v Viktor Brodd | W | 3-2 |
| TT Star Series | 2021/09/24 12:15 | Miroslav Horejsi v Josef Braun | W | 3-0 |
| TT Star Series | 2021/09/24 11:45 | Michal Benes v Miroslav Horejsi | L | 3-1 |
| TT Star Series | 2021/09/24 09:45 | Miroslav Horejsi v Viktor Brodd | W | 3-2 |
| TT Star Series | 2021/09/24 07:10 | Tibor Spanik v Miroslav Horejsi | W | 0-3 |
| TT Star Series | 2021/09/23 13:45 | David Prusa v Miroslav Horejsi | W | 1-3 |
| TT Star Series | 2021/09/23 11:15 | Josef Braun v Miroslav Horejsi | W | 0-3 |
| TT Star Series | 2021/09/23 08:45 | Miroslav Sklensky v Miroslav Horejsi | W | 0-3 |