Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2025/08/21 10:00 | Marco Stefanidis v Pylyp Koloidenko | W | 3-2 |
| Challenger Series TT | 2025/05/19 17:00 | Marco Stefanidis v Pylyp Koloidenko | L | 0-3 |
| Challenger Series TT | 2025/09/12 07:00 | Mohammad Mousavi Taher v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2025/09/11 17:30 | Samuel Amann v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2025/09/11 14:30 | Damian Zech v Marco Stefanidis | L | 3-2 |
| Challenger Series TT | 2025/09/11 13:00 | Tobias Saltzer v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2025/09/11 11:00 | Niclas Reindl v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2025/09/11 10:00 | Nikola Horvat v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2025/09/11 06:30 | Manuel Kupfer v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2025/08/22 10:00 | Oleksii Naplokov v Marco Stefanidis | L | 3-2 |
| Challenger Series TT | 2025/09/02 07:00 | Marius Henninger v Pylyp Koloidenko | L | 3-0 |
| Challenger Series TT | 2025/09/01 15:30 | Michael Fuchs v Pylyp Koloidenko | L | 3-1 |
| Challenger Series TT | 2025/09/01 14:00 | Vincent Senkbeil v Pylyp Koloidenko | L | 3-0 |
| Challenger Series TT | 2025/09/01 12:00 | Pylyp Koloidenko v Jaime Lama | L | 2-3 |
| Challenger Series TT | 2025/09/01 09:30 | Pylyp Koloidenko v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2025/09/01 08:00 | Pylyp Koloidenko v Viktor Yefimov | L | 1-3 |
| Challenger Series TT | 2025/08/22 07:00 | Pylyp Koloidenko v Gururaj Patil | W | 3-2 |
| Challenger Series TT | 2025/08/21 14:30 | Pylyp Koloidenko v Dauud Cheaib | L | 0-3 |