| Challenger Series TT | 2023/07/06 09:50 | Dennis Klein v David Reitspies | W | 3-0 |
| Challenger Series TT | 2023/07/03 07:50 | Dennis Klein v David Reitspies | W | 3-1 |
| Challenger Series TT | 2023/02/07 13:50 | David Reitspies v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2023/02/07 08:10 | David Reitspies v Dennis Klein | L | 3-0 |