Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2025/01/09 17:30 | Damian Zech v Marco Stefanidis | L | 1-3 |
| Challenger Series TT | 2024/10/03 13:30 | Marco Stefanidis v Damian Zech | L | 3-2 |
| Challenger Series TT | 2024/08/29 08:00 | Marco Stefanidis v Damian Zech | L | 3-0 |
| Challenger Series TT | 2024/07/08 06:30 | Marco Stefanidis v Damian Zech | W | 2-3 |
| Challenger Series TT | 2024/05/28 10:00 | Marco Stefanidis v Damian Zech | L | 3-1 |
| Challenger Series TT | 2024/04/11 11:10 | Marco Stefanidis v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/08/03 11:50 | Damian Zech v Marco Stefanidis | W | 3-1 |
| Challenger Series TT | 2023/07/20 09:10 | Marco Stefanidis v Damian Zech | L | 3-2 |
| Challenger Series TT | 2025/05/02 08:00 | Damian Zech v Dhairya Parmar | L | 2-3 |
| Challenger Series TT | 2025/05/02 06:30 | Damian Zech v Bennet Robben | W | 3-2 |
| Challenger Series TT | 2025/05/01 16:00 | Damian Zech v Liang Qiu | L | 0-3 |
| Challenger Series TT | 2025/05/01 12:30 | Damian Zech v Edouard Valenet | L | 2-3 |
| Challenger Series TT | 2025/05/01 11:00 | Damian Zech v Guilherme Teodoro | L | 1-3 |
| Challenger Series TT | 2025/05/01 08:30 | Kestutis Zeimys v Damian Zech | L | 3-0 |
| Challenger Series TT | 2025/05/01 07:00 | Damian Zech v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2025/04/22 07:30 | Damian Zech v Joon Shim | L | 2-3 |
| Challenger Series TT | 2025/04/01 10:05 | Marco Stefanidis v Kirill Fadeev | L | 0-3 |
| Challenger Series TT | 2025/04/01 08:45 | Rafael Turrini v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2025/04/01 06:40 | Akos Kishegyi v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2025/03/31 16:55 | Kirill Fadeev v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2025/03/31 15:40 | Sudhanshu Grover v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2025/03/31 14:25 | Marco Stefanidis v Alfred Dela Pena | W | 3-1 |
| Challenger Series TT | 2025/03/31 11:30 | Marco Stefanidis v Chia-Hao Chang | W | 3-1 |
| Challenger Series TT | 2025/03/31 10:00 | Marco Stefanidis v Ramon Vila | L | 1-3 |