Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/19 17:10 | Marco Stefanidis v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2025/01/09 11:00 | Marco Stefanidis v Adrien Coton | L | 1-3 |
| Challenger Series TT | 2025/01/09 09:00 | Matias Danzer v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2024/11/26 11:30 | Marco Stefanidis v Liang Qiu | L | 1-3 |
| Challenger Series TT | 2024/11/26 10:15 | Dauud Cheaib v Marco Stefanidis | L | 3-2 |
| Challenger Series TT | 2024/11/26 09:00 | Liang Qiu v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2024/11/26 08:00 | Marco Stefanidis v Florian Bluhm | L | 2-3 |
| Challenger Series TT | 2024/11/25 16:30 | William Koehl v Marco Stefanidis | L | 3-2 |
| Challenger Series TT | 2024/11/25 14:30 | Dauud Cheaib v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2025/01/09 10:30 | Matias Danzer v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2025/01/09 08:30 | Damian Zech v Johannes Willeke | W | 0-3 |
| Challenger Series TT | 2024/09/27 09:10 | Mykhailo Mosiuk v Johannes Willeke | L | 3-1 |
| Challenger Series TT | 2024/09/26 17:30 | Johannes Willeke v Miguel Nunez | L | 2-3 |
| Challenger Series TT | 2024/09/26 16:00 | Samuel Amann v Johannes Willeke | W | 0-3 |
| Challenger Series TT | 2024/09/26 14:00 | Damian Zech v Johannes Willeke | W | 0-3 |
| Challenger Series TT | 2024/09/26 12:00 | Johannes Willeke v Michael Fuchs | L | 1-3 |
| Challenger Series TT | 2024/09/26 09:30 | Johannes Willeke v Szilard Kanabe | W | 3-2 |