Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2022/08/05 13:30 | Michael Engelhardt v Daniel Rinderer | L | 0-3 |
| Challenger Series TT | 2022/08/04 11:50 | Daniel Rinderer v Michael Engelhardt | L | 3-2 |
| Challenger Series TT | 2022/07/11 08:30 | Daniel Rinderer v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/07/17 09:10 | Hannes Hormann v Michael Engelhardt | L | 3-1 |
| Challenger Series TT | 2023/07/17 07:10 | Michael Engelhardt v Armin Alicic | W | 3-1 |
| Challenger Series TT | 2023/07/14 09:50 | Michael Engelhardt v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/14 06:30 | Michael Engelhardt v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/07/13 17:50 | Michael Engelhardt v Makoto Nogami | W | 3-1 |
| Challenger Series TT | 2023/07/13 16:30 | Michael Engelhardt v Tobias Slanina | W | 3-2 |
| Challenger Series TT | 2023/07/13 11:50 | Michael Engelhardt v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/07/13 09:10 | Michael Engelhardt v Benjamin Fruchart | L | 1-3 |
| Challenger Series TT | 2023/07/17 11:10 | Miroslav Horejsi v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2023/07/17 06:30 | Hannes Hormann v Daniel Rinderer | W | 0-3 |
| Challenger Series TT | 2023/07/04 08:30 | Akito Itagaki v Daniel Rinderer | W | 2-3 |
| Challenger Series TT | 2023/07/04 07:10 | Mathias Golab v Daniel Rinderer | W | 1-3 |
| Challenger Series TT | 2023/07/03 17:10 | Dennis Klein v Daniel Rinderer | L | 3-1 |
| 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 |