Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2024/06/03 09:30 | Herman Debizhansky v Oleksii Dehtiarov | L | 3-1 |
| Challenger Series TT | 2025/06/17 08:30 | Oleksii Dehtiarov v Florian Bluhm | L | 0-3 |
| Challenger Series TT | 2025/06/17 06:30 | Oleksii Dehtiarov v Oliver Both | L | 0-3 |
| Challenger Series TT | 2025/06/16 16:00 | Oleksii Dehtiarov v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2025/06/16 12:30 | Oleksii Dehtiarov v Marius Henninger | L | 1-3 |
| Challenger Series TT | 2025/06/16 11:00 | Oleksii Dehtiarov v Alexander Sverdlik | W | 3-1 |
| Challenger Series TT | 2025/06/16 08:30 | Adrien Coton v Oleksii Dehtiarov | L | 3-0 |
| Challenger Series TT | 2025/06/16 07:00 | Oleksii Dehtiarov v Ion Sollner | L | 0-3 |
| Challenger Series TT | 2024/06/06 14:00 | Oleksii Dehtiarov v Siddharta Almeida | L | 0-3 |
| Challenger Series TT | 2025/06/24 07:30 | Herman Debizhansky v Samuel Amann | W | 3-1 |
| Challenger Series TT | 2025/06/23 16:30 | Herman Debizhansky v Aliafsar Yunusov | W | 3-1 |
| Challenger Series TT | 2025/06/23 14:30 | Herman Debizhansky v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2025/06/23 12:30 | Karl Walter v Herman Debizhansky | W | 1-3 |
| Challenger Series TT | 2025/06/23 10:30 | Marco Stefanidis v Herman Debizhansky | L | 3-0 |
| Challenger Series TT | 2025/06/23 09:00 | Herman Debizhansky v Michael Fuchs | L | 1-3 |
| Challenger Series TT | 2025/06/23 07:30 | Herman Debizhansky v Viktor Yefimov | L | 1-3 |
| Challenger Series TT | 2025/01/03 09:00 | Erik Huzsvar v Herman Debizhansky | L | 3-0 |