Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2025/03/25 08:30 | Sven Happek v Florian Bluhm | L | 1-3 |
| Challenger Series TT | 2025/03/24 17:30 | Sven Happek v Xavier Dixon | L | 0-3 |
| Challenger Series TT | 2025/03/24 15:30 | Sven Happek v Chia-An Yang | L | 2-3 |
| Challenger Series TT | 2025/03/24 13:30 | Jing-You Peng v Sven Happek | W | 0-3 |
| Challenger Series TT | 2025/03/24 11:30 | Ting-Wei Liang v Sven Happek | L | 3-2 |
| Challenger Series TT | 2025/03/24 10:00 | Sven Happek v Jaime Lama | W | 3-0 |
| Challenger Series TT | 2025/03/24 08:30 | Sven Happek v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2025/02/25 09:30 | Sven Happek v Chia-Hao Chang | W | 3-0 |