Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2024/09/09 12:30 | Dennis Klein v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2024/07/08 10:30 | Marco Stefanidis v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2024/06/27 09:30 | Marco Stefanidis v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/08/17 06:30 | Marco Stefanidis v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/06/19 11:50 | Dennis Klein v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/02/09 13:30 | Marco Stefanidis v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2025/01/10 07:30 | Marius Henninger v Marco Stefanidis | L | 3-2 |
| Challenger Series TT | 2025/01/09 17:30 | Damian Zech v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2025/01/09 16:00 | Guillaume Alcayde v Marco Stefanidis | W | 2-3 |
| Challenger Series TT | 2025/01/09 14:30 | Marco Stefanidis v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2025/01/09 12:30 | Marco Stefanidis v Johannes Willeke | L | 1-3 |
| Challenger Series TT | 2025/01/09 11:00 | Marco Stefanidis v Adrien Coton | L | 1-3 |
| Challenger Series TT | 2025/01/09 09:00 | Matthias 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 | 2024/11/04 11:00 | Dennis Klein v Joon Shim | W | 3-2 |
| Challenger Series TT | 2024/11/04 09:00 | Florian Bluhm v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2024/10/18 10:40 | Dennis Klein v Miguel Nunez | W | 3-0 |
| Challenger Series TT | 2024/10/18 09:15 | Dennis Klein v Guillaume Alcayde | L | 2-3 |
| Challenger Series TT | 2024/10/18 08:30 | Xavier Dixon v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/10/17 17:00 | Marius Henninger v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2024/10/17 15:30 | Dennis Klein v Yoan Rebetez | W | 3-0 |
| Challenger Series TT | 2024/10/17 13:00 | Dennis Klein v Guillaume Alcayde | W | 3-0 |