Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2025/07/22 10:30 | William Koehl v Sven Happek | L | 3-0 |
| Challenger Series TT | 2025/07/22 09:45 | Thomas Pellny v Sven Happek | L | 3-0 |
| Challenger Series TT | 2025/07/22 07:00 | Samuel Amann v Sven Happek | W | 1-3 |
| Challenger Series TT | 2025/07/21 17:30 | Oleksii Naplokov v Sven Happek | W | 1-3 |
| Challenger Series TT | 2025/07/21 14:30 | Manuel Kupfer v Sven Happek | W | 0-3 |
| Challenger Series TT | 2025/07/21 13:00 | Mark Juhasz v Sven Happek | W | 0-3 |
| Challenger Series TT | 2025/07/21 11:00 | Thomas Pellny v Sven Happek | L | 3-1 |
| Challenger Series TT | 2025/07/21 10:00 | William Koehl v Sven Happek | W | 0-3 |