Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/01/09 09:30 | Daniel Rinderer v Sven Happek | W | 3-2 |
| Challenger Ochsenhausen | 2022/07/18 17:10 | Sven Happek v Daniel Rinderer | W | 1-3 |
| Challenger Series TT | 2022/07/11 13:50 | Daniel Rinderer v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2022/06/23 12:30 | Daniel Rinderer v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2022/05/12 17:10 | Daniel Rinderer v Sven Happek | W | 3-2 |
| Challenger Series TT | 2022/02/24 07:30 | Sven Happek v Daniel Rinderer | W | 1-3 |
| 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 |
| Challenger Series TT | 2023/02/20 10:10 | Daniel Rinderer v Norbert Tauler | L | 2-3 |
| Challenger Series TT | 2023/02/20 07:30 | Daniel Rinderer v Pekka Pelz | W | 3-1 |
| Challenger Series TT | 2023/01/10 10:10 | Kestutis Zeimys v Daniel Rinderer | W | 2-3 |
| Challenger Series TT | 2023/01/10 08:10 | Daniel Rinderer v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/01/24 09:30 | Sven Happek v Martin Andersen | W | 3-1 |
| Challenger Series TT | 2023/01/24 07:30 | Sven Happek v Enio Mendes | L | 0-3 |
| Challenger Series TT | 2023/01/23 17:30 | Sven Happek v Enzo Angles | L | 1-3 |
| Challenger Series TT | 2023/01/23 16:50 | Sven Happek v Tibor Spanik | L | 0-3 |
| Challenger Series TT | 2023/01/23 12:50 | Sven Happek v Yannick Vostes | L | 0-3 |
| Challenger Series TT | 2023/01/23 10:10 | Sven Happek v Kestutis Zeimys | L | 0-3 |
| Challenger Series TT | 2023/01/23 07:30 | Sven Happek v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/01/13 14:30 | Bohdan Sinkevych v Sven Happek | L | 3-0 |