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 | 2023/08/18 12:50 | Marius Henninger v Daniel Rinderer | W | 0-3 |
| Challenger Series TT | 2023/08/18 12:05 | Kirill Fadeev v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2023/08/18 10:30 | Daniel Rinderer v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/08/18 07:50 | Daniel Rinderer v Alvaro Gainza | W | 3-0 |
| Challenger Series TT | 2023/08/17 19:10 | Daniel Rinderer v Marius Henninger | W | 3-2 |
| Challenger Series TT | 2023/08/17 14:30 | Daniel Rinderer v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/08/17 12:30 | Daniel Rinderer v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/08/17 09:10 | Marco Stefanidis v Daniel Rinderer | W | 1-3 |
| Challenger Series TT | 2023/09/19 09:50 | Sven Happek v Alvaro Gainza | L | 1-3 |
| Challenger Series TT | 2023/09/19 06:30 | Sven Happek v Jong-Eon Yeon | L | 2-3 |
| Challenger Series TT | 2023/09/18 17:50 | Sven Happek v Sudhanshu Grover | L | 1-3 |
| Challenger Series TT | 2023/09/18 16:30 | Sven Happek v Louis Reuseau | W | 3-2 |
| Challenger Series TT | 2023/09/18 11:50 | Sven Happek v Louis Price | L | 0-3 |
| Challenger Series TT | 2023/09/18 09:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/09/18 06:30 | Sven Happek v Liang Qiu | L | 2-3 |
| Challenger Series TT | 2023/06/27 09:50 | Marius Henninger v Sven Happek | L | 3-2 |