Stadium: Ochsenhausen, Germany
| Challenger Ochsenhausen | 2022/05/12 06:30 | Sudhanshu Grover v Sven Happek | L | 3-1 |
| 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 |
| Challenger Series TT | 2023/06/27 08:30 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Series TT | 2023/06/26 18:30 | Benjamin Fruchart v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/06/26 15:50 | Antonin Gavlas v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/09/18 15:50 | Sudhanshu Grover v Alvaro Gainza | W | 3-0 |
| Challenger Series TT | 2023/09/18 13:10 | Sudhanshu Grover v Jong-Eon Yeon | W | 3-1 |
| Challenger Series TT | 2023/09/18 11:10 | Sudhanshu Grover v Liang Qiu | W | 3-2 |
| Challenger Series TT | 2023/09/18 08:30 | Louis Reuseau v Sudhanshu Grover | W | 1-3 |
| WTT Star Contender Goa Quals | 2023/02/27 12:40 | Sudhanshu Grover v Vincent Picard | L | 0-3 |
| Challenger Series TT | 2022/06/17 09:10 | Sudhanshu Grover v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2022/06/16 19:50 | Sudhanshu Grover v Elia Schmid | W | 3-0 |
| Challenger Series TT | 2022/06/16 17:10 | Sudhanshu Grover v Dennis Klein | W | 3-2 |