| TT Cup Ukraine | 2021/04/01 00:35 | Anton Riabukhin v Oleksandr Kovalov | W | 2-3 |
| TT Cup Ukraine | 2021/03/31 21:35 | Anton Riabukhin v Oleksandr Kovalov | W | 1-3 |
| TT Cup Ukraine | 2021/03/09 08:45 | Oleksandr Kovalov v Anton Riabukhin | L | 1-3 |
| TT Cup Ukraine | 2021/02/16 14:40 | Anton Riabukhin v Oleksandr Kovalov | L | 3-0 |
| TT Cup Ukraine | 2021/02/15 15:15 | Oleksandr Kovalov v Anton Riabukhin | L | 2-3 |
| TT Cup Ukraine | 2021/01/26 06:25 | Anton Riabukhin v Oleksandr Kovalov | L | 3-0 |
| TT Cup Ukraine | 2021/01/25 09:20 | Anton Riabukhin v Oleksandr Kovalov | L | 3-0 |
| TT Cup Ukraine | 2021/01/14 08:45 | Anton Riabukhin v Oleksandr Kovalov | W | 2-3 |
| TT Cup Ukraine | 2021/04/24 05:25 | Oleksandr Kovalov v Maksim Ovcharenko | W | 3-0 |
| TT Cup Ukraine | 2021/04/20 10:05 | Serhii Skachenko v Oleksandr Kovalov | W | 0-3 |
| TT Cup Ukraine | 2021/04/20 08:55 | Igor Sukovatiy v Oleksandr Kovalov | W | 2-3 |
| TT Cup Ukraine | 2021/04/20 08:20 | Oleksandr Kovalov v Dmytro Alekseenko | L | 0-3 |
| TT Cup Ukraine | 2021/04/20 06:35 | Serhii Skachenko v Oleksandr Kovalov | W | 1-3 |
| TT Cup Ukraine | 2021/04/20 05:25 | Igor Sukovatiy v Oleksandr Kovalov | W | 2-3 |
| TT Cup Ukraine | 2021/04/20 04:50 | Oleksandr Kovalov v Dmytro Alekseenko | W | 3-2 |
| TT Cup Ukraine | 2021/04/19 10:05 | Dmytro Alekseenko v Oleksandr Kovalov | L | 3-2 |
| TT Cup Ukraine | 2021/04/24 06:00 | Anton Riabukhin v Igor Sukovatiy | W | 3-1 |
| Ukraine Win Cup | 2021/04/15 16:45 | Pavlo Babenko v Anton Riabukhin | W | 1-3 |
| Ukraine Win Cup | 2021/04/15 16:15 | Anton Riabukhin v Artyom Maximenko | W | 3-1 |
| Ukraine Win Cup | 2021/04/15 14:15 | Andrey Grabskiy v Anton Riabukhin | W | 1-3 |
| 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 |