| Challenger Series TT | 06/03 16:00 | - | Viacheslav Diachenko v Sven Wendegatz | W | 3-1 | |
| Challenger Series TT | 06/03 14:30 | - | Viacheslav Diachenko v Siddharta Almeida | W | 3-0 | |
| Challenger Series TT | 06/03 13:00 | - | Viacheslav Diachenko v Oleksii Degtiariov | W | 3-2 | |
| Challenger Series TT | 06/03 11:00 | - | Viacheslav Diachenko v Mykhailo Mosiuk | L | 0-3 | |
| Challenger Series TT | 06/03 09:00 | - | Zengyi Wang v Viacheslav Diachenko | L | 3-1 | |
| Challenger Series TT | 06/03 08:00 | - | Szilard Kanabe v Viacheslav Diachenko | L | 3-2 | |
| Ukraina - Win Cup | 05/31 17:30 | - | Viacheslav Diachenko v Vladimir Burylov | L | 2-3 | |
| Ukraina - Win Cup | 05/31 17:00 | - | Denis Vakulenko v Viacheslav Diachenko | W | 2-3 | |
| Ukraina - Win Cup | 05/31 16:00 | - | Viacheslav Diachenko v Levko Kuzyo | L | 1-3 | |
| Ukraina - Win Cup | 05/31 14:30 | - | Sergey Zemyantsev v Viacheslav Diachenko | W | 1-3 | |
| Ukraina - Win Cup | 05/31 14:00 | - | Viacheslav Diachenko v Andrii Fedorchenko | L | 1-3 | |
| Ukraina - Win Cup | 05/31 12:30 | - | Artem Khimenko v Viacheslav Diachenko | W | 2-3 |