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 | 2025/01/21 08:30 | Dauud Cheaib v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2025/01/20 18:30 | Marco Stefanidis v Tom Colvin | W | 3-0 |
| Challenger Series TT | 2025/01/20 17:00 | Aleksandar Grujic v Marco Stefanidis | W | 0-3 |
| Challenger Series TT | 2025/01/20 15:00 | Armin Alicic v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2025/01/20 13:00 | Marco Stefanidis v Alexander Valuch | L | 0-3 |
| Challenger Series TT | 2025/01/20 10:30 | Marco Stefanidis v Aljaz Godec | W | 3-2 |
| Challenger Series TT | 2025/01/20 09:00 | Marco Stefanidis v Jeromy Loffler | L | 0-3 |
| Challenger Series TT | 2025/01/10 07:30 | Marius Henninger v Marco Stefanidis | L | 3-2 |
| 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 |