| TT Star Series | 2021/05/24 11:45 | David Reitspies v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/04/20 09:45 | David Reitspies v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/04/12 08:15 | Jakub Seibert v David Reitspies | L | 0-3 |
| TT Star Series | 2021/04/06 12:44 | David Reitspies v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/04/06 08:15 | Jakub Seibert v David Reitspies | L | 1-3 |
| TT Star Series | 2021/03/30 09:45 | David Reitspies v Jakub Seibert | L | 3-1 |
| Austrian Bundesliga 1 | 2021/03/26 13:06 | David Reitspies v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/03/25 13:45 | David Reitspies v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/06/21 11:45 | Jakub Seibert v Tomas Koldas | L | 2-3 |
| TT Star Series | 2021/06/21 09:15 | Jakub Seibert v Tomas Tregler | L | 0-3 |
| TT Star Series | 2021/06/21 07:45 | Jiri Martinko v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/05/25 10:15 | Michal Benes v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/05/25 08:45 | Dmitrij Prokopcov v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/05/25 07:10 | Jakub Seibert v Ondrej Kveton | W | 3-1 |
| TT Star Series | 2021/05/24 13:15 | Jakub Seibert v Jakub Slapnicka | W | 3-2 |
| TT Star Series | 2021/05/24 11:45 | David Reitspies v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/06/21 11:15 | Jiri Martinko v David Reitspies | W | 0-3 |
| TT Star Series | 2021/06/21 08:45 | Dmitrij Prokopcov v David Reitspies | L | 3-2 |
| TT Star Series | 2021/06/21 06:35 | Miroslav Sklensky v David Reitspies | W | 0-3 |
| TT Star Series | 2021/06/18 13:15 | Jakub Kleprlik v David Reitspies | L | 3-0 |
| Austrian Bundesliga 1 | 2021/06/18 12:15 | David Reitspies v Petr David | W | 3-2 |
| TT Star Series | 2021/06/18 11:45 | David Reitspies v Dmitrij Prokopcov | W | 3-0 |
| TT Star Series | 2021/06/18 08:45 | David Reitspies v Filip Cernota | W | 3-2 |
| TT Star Series | 2021/06/18 06:35 | David Reitspies v Petr David | L | 2-3 |