| Ukraine - TT Cup | 2021/06/11 13:30 | Anton Riabukhin v Oleksandr Kovalov | L | 1-3 |
| Ukraine - TT Cup | 2021/04/28 18:15 | Anton Riabukhin v Oleksandr Kovalov | W | 3-1 |
| Ukraine - TT Cup | 2021/04/27 20:05 | Anton Riabukhin v Oleksandr Kovalov | W | 3-1 |
| Ukraine - TT Cup | 2021/04/27 18:15 | Oleksandr Kovalov v Anton Riabukhin | W | 2-3 |
| Ukraine - TT Cup | 2021/04/25 11:50 | Anton Riabukhin v Oleksandr Kovalov | W | 3-1 |
| Ukraine - TT Cup | 2021/04/24 07:45 | Oleksandr Kovalov v Anton Riabukhin | W | 1-3 |
| Ukraine - TT Cup | 2021/04/01 00:35 | Anton Riabukhin v Oleksandr Kovalov | L | 2-3 |
| Ukraine - TT Cup | 2021/03/31 21:35 | Anton Riabukhin v Oleksandr Kovalov | L | 1-3 |
| Ukraine - TT Cup | 2021/06/11 15:50 | Levko Kuzyo v Anton Riabukhin | L | 3-0 |
| Ukraine - TT Cup | 2021/06/11 15:15 | Anton Riabukhin v Sergey Zemyantsev | L | 1-3 |
| Ukraine - TT Cup | 2021/06/11 13:30 | Anton Riabukhin v Oleksandr Kovalov | L | 1-3 |
| Ukraine - TT Cup | 2021/06/04 01:35 | Denys Shcherbak v Anton Riabukhin | L | 3-1 |
| Ukraine - TT Cup | 2021/06/04 00:35 | Serhii Ponomarenko v Anton Riabukhin | W | 2-3 |
| Ukraine - TT Cup | 2021/06/03 23:35 | Denis Vakulenko v Anton Riabukhin | L | 3-2 |
| Ukraine - TT Cup | 2021/06/03 22:35 | Denys Shcherbak v Anton Riabukhin | L | 3-0 |
| Ukraine - TT Cup | 2021/06/03 21:35 | Serhii Ponomarenko v Anton Riabukhin | W | 0-3 |
| Ukraine - TT Cup | 2021/06/11 16:25 | Oleksandr Kovalov v Sergey Zemyantsev | L | 2-3 |
| Ukraine - TT Cup | 2021/06/11 14:40 | Levko Kuzyo v Oleksandr Kovalov | W | 1-3 |
| Ukraine - TT Cup | 2021/06/11 13:30 | Anton Riabukhin v Oleksandr Kovalov | W | 1-3 |
| Ukraine - TT Cup | 2021/06/11 12:55 | Oleksandr Kovalov v Sergey Zemyantsev | L | 0-3 |
| Ukraine - TT Cup | 2021/06/08 13:00 | Oleksandr Kovalov v Igor Sukovatiy | W | 3-2 |
| Ukraine - TT Cup | 2021/06/08 10:40 | Anton Veliiev v Oleksandr Kovalov | W | 2-3 |
| Ukraine - TT Cup | 2021/06/08 08:20 | Andrii Datsenko v Oleksandr Kovalov | L | 3-1 |
| Ukraine - TT Cup | 2021/06/08 07:10 | Oleksandr Kovalov v Denis Nemchenko | W | 3-2 |