| Challenger Series TT | 06/03 16:00 | - | Diachenko, Viacheslav v Sven Wendegatz | W | 3-1 | |
| Challenger Series TT | 06/03 14:30 | - | Diachenko, Viacheslav v Almeida, Siddharta | W | 3-0 | |
| Challenger Series TT | 06/03 13:00 | - | Diachenko, Viacheslav v Degtyarov, Oleksiy | W | 3-2 | |
| Challenger Series TT | 06/03 11:00 | - | Diachenko, Viacheslav v Mosyuk, Mikhail | L | 0-3 | |
| Challenger Series TT | 06/03 09:00 | - | 왕, 쩡이 v Diachenko, Viacheslav | L | 3-1 | |
| Challenger Series TT | 06/03 08:00 | - | Szilard Kanabe v Diachenko, Viacheslav | L | 3-2 | |
| Ukraine Win Cup | 05/31 17:30 | - | Diachenko, Viacheslav v Burylov, Vladimir | L | 2-3 | |
| Ukraine Win Cup | 05/31 17:00 | - | Vakulenko, Denis v Diachenko, Viacheslav | W | 2-3 | |
| Ukraine Win Cup | 05/31 16:00 | - | Diachenko, Viacheslav v Kuzyo, Levko | L | 1-3 | |
| Ukraine Win Cup | 05/31 14:30 | - | Zemyancev, Sergei v Diachenko, Viacheslav | W | 1-3 | |
| Ukraine Win Cup | 05/31 14:00 | - | Diachenko, Viacheslav v Fedorchenko, Andriy | L | 1-3 | |
| Ukraine Win Cup | 05/31 12:30 | - | Khimenko, Artem v Diachenko, Viacheslav | W | 2-3 | |
| Ukraine Win Cup | 05/31 12:00 | - | Kirsanov, Konstantin v Diachenko, Viacheslav | W | 1-3 | |
| Ukraine Win Cup | 05/28 18:15 | - | Aseev, Dmitriy v Diachenko, Viacheslav | W | 1-3 | |
| Ukraine Win Cup | 05/28 16:45 | - | Ivashkin, Aleksander v Diachenko, Viacheslav | W | 2-3 | |
| Ukraine Win Cup | 05/28 16:15 | - | Zotov, G. v Diachenko, Viacheslav | W | 1-3 | |
| Ukraine Win Cup | 05/28 14:45 | - | Diachenko, Viacheslav v Vakulin, Artem | W | 3-2 | |
| Ukraine Win Cup | 05/28 14:15 | - | Diachenko, Viacheslav v Vakulenko, Denis | L | 2-3 | |
| Ukraine Win Cup | 05/28 13:15 | - | Diachenko, Viacheslav v Pavlyuk, Oleg | W | 3-0 | |
| Ukraine Win Cup | 05/28 11:45 | - | Krutko, Aleksey v Diachenko, Viacheslav | W | 2-3 | |
| Ukraine Win Cup | 05/15 17:30 | - | Diachenko, Viacheslav v Ivashkin, Aleksander | W | 3-1 | |
| Ukraine Win Cup | 05/15 16:30 | - | Diachenko, Viacheslav v Naplyokov, A. | L | 1-3 | |
| Ukraine Win Cup | 05/15 15:00 | - | Diachenko, Viacheslav v Kebalo, Denis | W | 3-0 | |
| Ukraine Win Cup | 05/15 14:30 | - | Ivashkin, Aleksander v Diachenko, Viacheslav | W | 2-3 | |
| Ukraine Win Cup | 05/15 13:30 | - | Naplyokov, A. v Diachenko, Viacheslav | L | 3-0 | |
| Ukraine Win Cup | 05/15 12:00 | - | Kebalo, Denis v Diachenko, Viacheslav | W | 2-3 | |
| Setka Cup | 03/19 18:10 | - | Korniyenko, M. v Diachenko, Viacheslav | - | Walkover | |
| Setka Cup | 03/19 16:40 | - | Diachenko, Viacheslav v Struk, Ivan | - | Walkover | |
| Setka Cup | 03/19 15:10 | - | Diachenko, Viacheslav v Voronenkov, Vladimir | - | Walkover | |
| Setka Cup | 03/19 13:40 | - | Diachenko, Viacheslav v Zholubak, Roman | L | 0-3 |