Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2025/06/12 09:00 | Marius Henninger v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2025/01/10 11:30 | Johannes Willeke v Marius Henninger | L | 3-0 |
| Challenger Series TT | 2025/01/10 09:30 | Marius Henninger v Johannes Willeke | W | 3-2 |
| Challenger Series TT | 2025/07/14 09:00 | Marius Henninger v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2025/07/14 07:30 | Marius Henninger v Aliafsar Yunusov | L | 0-3 |
| Challenger Series TT | 2025/07/11 10:45 | Luis Kraus v Marius Henninger | W | 1-3 |
| Challenger Series TT | 2025/07/11 09:45 | Dennis Klein v Marius Henninger | L | 3-0 |
| Challenger Series TT | 2025/07/11 07:30 | Marius Henninger v Christian Tomsic | W | 3-2 |
| Challenger Series TT | 2025/07/10 16:30 | Marius Henninger v Damian Zech | W | 3-2 |
| Challenger Series TT | 2025/07/10 14:30 | Marius Henninger v Matthias Danzer | L | 0-3 |
| Challenger Series TT | 2025/07/10 12:30 | Dennis Klein v Marius Henninger | W | 1-3 |
| Challenger Series TT | 2025/06/13 08:00 | Dennis Klein v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2025/06/13 07:00 | Johannes Willeke v Oliver Both | L | 0-3 |
| Challenger Series TT | 2025/06/12 15:30 | Daniel Rinderer v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2025/06/12 13:30 | William Koehl v Johannes Willeke | L | 3-1 |
| Challenger Series TT | 2025/06/12 12:00 | Damian Zech v Johannes Willeke | W | 2-3 |
| Challenger Series TT | 2025/06/12 09:00 | Marius Henninger v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2025/06/12 07:00 | Enio Mendes v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2025/06/10 07:30 | Olav Kosolosky v Johannes Willeke | L | 3-0 |