| Ukraine Win Cup | 2021/03/27 09:30 | Anton Riabukhin v Andrey Grabskiy | L | 3-0 |
| Ukraine Win Cup | 2021/03/27 06:30 | Andrey Grabskiy v Anton Riabukhin | L | 1-3 |
| Ukraine Win Cup | 2021/04/15 12:15 | Roman Tsubera v Andrey Grabskiy | L | 3-1 |
| Ukraine Win Cup | 2021/04/11 17:30 | Andrey Grabskiy v Roman Tsubera | L | 0-3 |
| Ukraine Win Cup | 2021/04/11 16:30 | Andrey Grabskiy v Artur Elkhov | W | 3-0 |
| Ukraine Win Cup | 2021/04/11 15:00 | Andrey Grabskiy v Mikhail Andreev | W | 3-2 |
| Ukraine Win Cup | 2021/04/11 14:30 | Roman Tsubera v Andrey Grabskiy | L | 3-1 |
| Ukraine Win Cup | 2021/04/11 13:30 | Artur Elkhov v Andrey Grabskiy | W | 2-3 |
| Ukraine Win Cup | 2021/04/11 12:00 | Mikhail Andreev v Andrey Grabskiy | L | 3-2 |
| Ukraine Win Cup | 2021/04/10 17:30 | Artyom Maximenko v Andrey Grabskiy | L | 3-0 |
| Ukraine Win Cup | 2021/04/15 12:45 | Anton Riabukhin v Roman Tsubera | W | 3-1 |
| TT Cup Ukraine | 2021/04/13 16:00 | Vitalii Vovk v Anton Riabukhin | L | 3-1 |
| TT Cup Ukraine | 2021/04/13 14:50 | Denis Vakulenko v Anton Riabukhin | L | 3-1 |
| TT Cup Ukraine | 2021/04/13 14:10 | Serhii Ponomarenko v Anton Riabukhin | L | 3-1 |
| TT Cup Ukraine | 2021/04/13 13:35 | Sergey Zemyantsev v Anton Riabukhin | L | 3-1 |
| TT Cup Ukraine | 2021/04/12 16:00 | Vitalii Vovk v Anton Riabukhin | L | 3-2 |
| TT Cup Ukraine | 2021/04/12 14:50 | Serhii Ponomarenko v Anton Riabukhin | L | 3-1 |
| TT Cup Ukraine | 2021/04/12 14:10 | Sergey Zemyantsev v Anton Riabukhin | L | 3-2 |