Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/05 09:10 | Daniel Rinderer v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/01/09 09:30 | Daniel Rinderer v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2022/07/18 17:10 | Sven Happek v Daniel Rinderer | L | 1-3 |
| Challenger Series TT | 2022/07/11 13:50 | Daniel Rinderer v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2022/06/23 12:30 | Daniel Rinderer v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2022/05/12 17:10 | Daniel Rinderer v Sven Happek | L | 3-2 |
| Challenger Series TT | 2022/02/24 07:30 | Sven Happek v Daniel Rinderer | L | 1-3 |