| Challenger Series TT | 2023/03/06 10:50 | Marius Henninger v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2022/10/31 07:30 | Marius Henninger v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/10/11 07:10 | Dennis Klein v Marius Henninger | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/19 11:50 | Marius Henninger v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/12 12:30 | Dennis Klein v Marius Henninger | L | 3-0 |
| Challenger Series TT | 2023/08/17 19:10 | Daniel Rinderer v Marius Henninger | L | 3-2 |
| Challenger Series TT | 2023/08/17 16:30 | Marco Stefanidis v Marius Henninger | W | 0-3 |
| Challenger Series TT | 2023/08/17 13:50 | Marius Henninger v Tobias Slanina | W | 3-0 |
| Challenger Series TT | 2023/08/17 10:30 | Marius Henninger v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/08/17 08:30 | Marius Henninger v Alvaro Gainza | W | 3-0 |
| Challenger Series TT | 2023/07/28 09:10 | Marius Henninger v Antonin Gavlas | L | 2-3 |
| Challenger Series TT | 2023/07/28 06:30 | Marius Henninger v Guillaume Alcayde | W | 3-1 |
| Challenger Series TT | 2023/07/27 16:30 | Marius Henninger v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/08/17 17:10 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/17 15:10 | Makoto Nogami v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/17 12:30 | Daniel Rinderer v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/08/17 11:10 | Alvaro Gainza v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/17 06:30 | Marco Stefanidis v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/27 09:50 | Dennis Klein v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/27 07:50 | Dennis Klein v Guillaume Alcayde | W | 3-1 |
| Challenger Series TT | 2023/07/11 13:30 | Dennis Klein v Benjamin Fruchart | W | 3-0 |