| TT Star Series | 2021/07/01 10:45 | Thomas Keinath v David Reitspies | L | 0-3 |
| Czech TT Star Series | 2020/08/10 09:45 | Thomas Keinath v David Reitspies | L | 0-3 |
| Czech TT Star Series | 2020/07/28 12:45 | David Reitspies v Thomas Keinath | L | 3-2 |
| Czech TT Star Series | 2020/07/27 08:55 | David Reitspies v Thomas Keinath | L | 3-0 |
| TT Star Series | 2021/09/21 06:00 | Thomas Keinath v Viktor Brodd | L | 2-3 |
| TT Star Series | 2021/09/20 12:15 | Thomas Keinath v Oleksandr Tymofieiev | W | 3-2 |
| TT Star Series | 2021/09/20 10:45 | Thomas Keinath v Jakub Seibert | W | 3-2 |
| TT Star Series | 2021/09/20 06:35 | Thomas Keinath v Tomas Tregler | W | 3-1 |
| TT Star Series | 2021/09/14 13:26 | Thomas Keinath v Mohamed Shouman | L | 2-3 |
| Others | 2021/09/14 11:31 | Thomas Keinath v Oleksandr Tymofieiev | W | 3-2 |
| TT Star Series | 2021/09/14 08:45 | Patrik Klos v Thomas Keinath | W | 1-3 |
| TT Star Series | 2021/09/14 07:10 | Thomas Keinath v Pavol Mego | W | 3-1 |
| TT Star Series | 2021/09/20 13:45 | David Reitspies v Tomas Tregler | L | 2-3 |
| TT Star Series | 2021/09/20 11:45 | David Reitspies v Amirreza Abbasi | W | 3-1 |
| TT Star Series | 2021/09/20 09:15 | David Reitspies v Jakub Seibert | W | 3-0 |
| TT Star Series | 2021/09/20 07:45 | Viktor Brodd v David Reitspies | W | 0-3 |
| Challenger Ochsenhausen | 2021/09/14 14:40 | Dauud Cheaib v David Reitspies | W | 2-3 |
| Challenger Ochsenhausen | 2021/09/14 13:15 | David Reitspies v Evgueni Chtchetinine | W | 3-1 |
| Challenger Ochsenhausen | 2021/09/14 11:00 | David Reitspies v Fedor Kuzmin | W | 3-2 |
| Challenger Ochsenhausen | 2021/09/14 07:40 | David Reitspies v Dauud Cheaib | L | 2-3 |