Stadium: Ochsenhausen, Germany
| 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 | 2023/03/06 08:50 | Marius Henninger v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/02/13 15:30 | Miguel Nunez v Marius Henninger | L | 3-0 |
| Challenger Series TT | 2023/02/13 14:10 | Alberto Lillo v Marius Henninger | L | 3-2 |
| Challenger Series TT | 2023/02/13 12:10 | Arman Hajiei v Marius Henninger | L | 3-1 |
| Challenger Series TT | 2023/02/13 07:30 | Michael Engelhardt v Marius Henninger | W | 0-3 |
| Challenger Series TT | 2023/01/06 14:30 | Dauud Cheaib v Marius Henninger | L | 3-0 |
| Challenger Series TT | 2023/01/06 13:05 | Marius Henninger v Daniel Rinderer | W | 3-1 |
| Challenger Series TT | 2023/01/06 09:30 | Salim Karam v Marius Henninger | W | 1-3 |
| Challenger Series TT | 2023/03/06 08:10 | Rodrigo Hidalgo v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/02/10 14:30 | Dennis Klein v Andrei Putuntica | W | 3-0 |
| Challenger Series TT | 2023/02/10 12:25 | Dennis Klein v Sourav Saha | W | 3-1 |
| Challenger Series TT | 2023/02/10 09:30 | Bohdan Sinkevych v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/02/10 08:10 | Bastien Dupont v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/02/09 18:10 | Andrei Putuntica v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/02/09 16:10 | Alberto Mino v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/02/09 13:30 | Marco Stefanidis v Dennis Klein | W | 1-3 |