| 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 |
| Challenger Series TT | 2023/06/23 13:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/06/23 11:32 | Dennis Klein v Igor Zavadskij | W | 3-0 |
| Challenger Series TT | 2023/06/23 11:25 | Dennis Klein v Ihor Zavadskyi | W | 3-0 |
| Challenger Series TT | 2023/06/23 07:50 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/06/22 19:10 | Dennis Klein v Carlo Rossi | W | 3-1 |
| Challenger Series TT | 2023/06/22 14:30 | Dennis Klein v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/06/22 12:30 | Dennis Klein v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2023/06/22 09:10 | Tobias Slanina v Dennis Klein | W | 2-3 |
| TT Star Series | 2023/06/06 15:15 | David Reitspies v Elias Ranefur | L | 1-3 |
| TT Star Series | 2023/06/06 13:24 | David Reitspies v Filip Zeljko | W | 3-1 |
| TT Star Series | 2023/06/06 11:15 | David Reitspies v Elias Ranefur | W | 3-1 |
| TT Star Series | 2023/06/06 09:15 | Ivor Ban v David Reitspies | W | 1-3 |
| TT Star Series | 2023/06/06 06:00 | Abdel Kader Salifou v David Reitspies | W | 0-3 |
| TT Star Series | 2023/06/05 12:45 | Enio Mendes v David Reitspies | W | 1-3 |
| TT Star Series | 2023/06/05 11:15 | David Reitspies v Filip Zeljko | W | 3-0 |
| TT Star Series | 2023/06/05 09:45 | David Reitspies v Jakub Zelinka | W | 3-0 |