| Challenger Series TT | 2023/01/09 11:30 | Daniel Rinderer v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2022/09/29 17:50 | Dennis Klein v Daniel Rinderer | W | 3-0 |
| Challenger Series TT | 2022/09/06 11:25 | Dennis Klein v Daniel Rinderer | W | 3-2 |
| Challenger Series TT | 2022/09/05 09:10 | Daniel Rinderer v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/09/01 06:30 | Dennis Klein v Daniel Rinderer | W | 3-0 |
| Challenger Series TT | 2022/07/12 07:10 | Daniel Rinderer v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/23 09:10 | Dennis Klein v Daniel Rinderer | L | 0-3 |
| Challenger Ochsenhausen | 2022/05/27 11:30 | Daniel Rinderer v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/07/03 14:30 | Tobias Slanina v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/07/03 11:50 | Kirill Fadeev v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2023/07/03 09:50 | Dennis Klein v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/07/03 07:50 | Dennis Klein v David Reitspies | W | 3-1 |
| 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 | 2023/07/03 15:10 | David Reitspies v Daniel Rinderer | L | 3-0 |
| Challenger Series TT | 2023/07/03 12:30 | Tobias Slanina v Daniel Rinderer | W | 1-3 |
| Challenger Series TT | 2023/07/03 11:10 | Benjamin Fruchart v Daniel Rinderer | L | 3-2 |
| Challenger Series TT | 2023/07/03 06:30 | Kirill Fadeev v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2023/02/21 10:10 | Daniel Rinderer v Miguel Nunez | L | 2-3 |
| Challenger Series TT | 2023/02/21 07:30 | Daniel Rinderer v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/02/20 16:50 | Daniel Rinderer v David Reitspies | L | 1-3 |
| Challenger Series TT | 2023/02/20 16:10 | Daniel Rinderer v Andrei Putuntica | L | 1-3 |