Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2025/05/19 17:00 | Marco Stefanidis v Pylyp Koloidenko | L | 0-3 |
| Challenger Series TT | 2025/08/01 06:30 | Alexander Zellmann v Marco Stefanidis | W | 1-3 |
| Challenger Series TT | 2025/07/31 16:30 | Damian Zech v Marco Stefanidis | W | 0-3 |
| Challenger Series TT | 2025/07/31 15:00 | Sven Happek v Marco Stefanidis | L | 3-2 |
| Challenger Series TT | 2025/07/31 13:30 | Marco Stefanidis v Florian Bluhm | L | 0-3 |
| Challenger Series TT | 2025/07/31 11:30 | Marco Stefanidis v Oleksii Naplokov | W | 3-2 |
| Challenger Series TT | 2025/07/31 10:00 | Marco Stefanidis v Marcel Neumaier | L | 0-3 |
| Challenger Series TT | 2025/07/31 08:00 | Guillaume Alcayde v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2025/07/29 10:30 | Marco Stefanidis v Marcel Neumaier | L | 1-3 |
| Challenger Series TT | 2025/08/12 07:30 | Pylyp Koloidenko v Matthias Danzer | W | 3-1 |
| Challenger Series TT | 2025/08/11 16:30 | Pylyp Koloidenko v Karl Walter | L | 0-3 |
| Challenger Series TT | 2025/08/11 14:30 | Pylyp Koloidenko v Louis Laine Campino | L | 1-3 |
| Challenger Series TT | 2025/08/11 12:30 | Jaime Lama v Pylyp Koloidenko | L | 3-2 |
| Challenger Series TT | 2025/08/11 10:30 | Nikola Horvat v Pylyp Koloidenko | W | 1-3 |
| Challenger Series TT | 2025/08/11 09:00 | Pylyp Koloidenko v Tobias Saltzer | L | 1-3 |
| Challenger Series TT | 2025/08/11 07:30 | Pylyp Koloidenko v Yubi Lee | W | 3-0 |
| Challenger Series TT | 2025/08/05 08:00 | Karl Walter v Pylyp Koloidenko | L | 3-0 |