Stadium: Ochsenhausen, Germany Round: 1
| Challenger Series TT | 2022/06/16 17:10 | Sudhanshu Grover v Dennis Klein | L | 3-2 |
| Challenger Ochsenhausen | 2022/05/13 13:30 | Dennis Klein v Sudhanshu Grover | W | 3-1 |
| Challenger Ochsenhausen | 2022/05/12 09:10 | Sudhanshu Grover v Dennis Klein | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 15:00 | Dennis Klein v Sudhanshu Grover | W | 3-1 |
| Challenger Series TT | 2024/11/04 11:00 | Dennis Klein v Joon Shim | W | 3-2 |
| Challenger Series TT | 2024/11/04 09:00 | Florian Bluhm v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2024/10/18 10:40 | Dennis Klein v Miguel Nunez | W | 3-0 |
| Challenger Series TT | 2024/10/18 09:15 | Dennis Klein v Guillaume Alcayde | L | 2-3 |
| Challenger Series TT | 2024/10/18 08:30 | Xavier Dixon v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/10/17 17:00 | Marius Henninger v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2024/10/17 15:30 | Dennis Klein v Yoan Rebetez | W | 3-0 |
| Challenger Series TT | 2024/10/17 13:00 | Dennis Klein v Guillaume Alcayde | W | 3-0 |
| Challenger Series TT | 2024/02/13 14:30 | Alberto Mino v Sudhanshu Grover | L | 3-2 |
| Challenger Series TT | 2024/02/13 13:05 | Dauud Cheaib v Sudhanshu Grover | W | 0-3 |
| Challenger Series TT | 2024/02/13 08:50 | Alberto Mino v Sudhanshu Grover | L | 3-2 |
| Challenger Series TT | 2024/02/12 20:50 | Dauud Cheaib v Sudhanshu Grover | L | 3-0 |
| Challenger Series TT | 2024/02/12 18:50 | Miguel Nunez v Sudhanshu Grover | W | 0-3 |
| Challenger Series TT | 2024/02/12 16:50 | Sudhanshu Grover v Armin Alicic | W | 3-0 |
| Challenger Series TT | 2024/02/12 14:10 | Sudhanshu Grover v Bohdan Sinkevych | W | 3-1 |
| Challenger Series TT | 2024/02/12 12:10 | Sudhanshu Grover v Rafael Turrini | W | 3-1 |