| Oekraïne - TT Cup | 2021/06/23 13:35 | Oleksandr Kovalov v Anton Riabukhin | L | 0-3 |
| Oekraïne - TT Cup | 2021/06/11 17:00 | Anton Riabukhin v Oleksandr Kovalov | L | 3-2 |
| Oekraïne - TT Cup | 2021/06/11 13:30 | Anton Riabukhin v Oleksandr Kovalov | W | 1-3 |
| Oekraïne - TT Cup | 2021/04/28 18:15 | Anton Riabukhin v Oleksandr Kovalov | L | 3-1 |
| Oekraïne - TT Cup | 2021/04/27 20:05 | Anton Riabukhin v Oleksandr Kovalov | L | 3-1 |
| Oekraïne - TT Cup | 2021/04/27 18:15 | Oleksandr Kovalov v Anton Riabukhin | L | 2-3 |
| Oekraïne - TT Cup | 2021/04/25 11:50 | Anton Riabukhin v Oleksandr Kovalov | L | 3-1 |
| Oekraïne - TT Cup | 2021/04/24 07:45 | Oleksandr Kovalov v Anton Riabukhin | L | 1-3 |
| Oekraïne - TT Cup | 2021/06/23 14:50 | Vitalii Vovk v Oleksandr Kovalov | L | 3-1 |
| Oekraïne - TT Cup | 2021/06/23 14:15 | Denis Vakulenko v Oleksandr Kovalov | W | 1-3 |
| Oekraïne - TT Cup | 2021/06/23 13:35 | Oleksandr Kovalov v Anton Riabukhin | L | 0-3 |
| Oekraïne - TT Cup | 2021/06/15 10:40 | Dmytro Alekseenko v Oleksandr Kovalov | W | 2-3 |
| Oekraïne - TT Cup | 2021/06/15 10:05 | Oleksandr Kovalov v Dmytro Alekseenko | L | 2-3 |
| Oekraïne - TT Cup | 2021/06/15 08:55 | Andrii Datsenko v Oleksandr Kovalov | L | 3-1 |
| Oekraïne - TT Cup | 2021/06/15 07:10 | Denis Nemchenko v Oleksandr Kovalov | W | 0-3 |
| Oekraïne - TT Cup | 2021/06/15 05:25 | Igor Sukovatiy v Oleksandr Kovalov | L | 3-0 |
| Oekraïne - TT Cup | 2021/06/23 14:45 | Denis Vakulenko v Anton Riabukhin | W | 0-3 |
| Oekraïne - TT Cup | 2021/06/23 14:10 | Vitalii Vovk v Anton Riabukhin | L | 3-0 |
| Oekraïne - TT Cup | 2021/06/23 13:35 | Oleksandr Kovalov v Anton Riabukhin | W | 0-3 |
| Oekraïne - TT Cup | 2021/06/17 16:30 | Anton Riabukhin v Denis Vakulenko | W | 3-0 |
| Oekraïne - TT Cup | 2021/06/17 15:55 | Vitalii Vovk v Anton Riabukhin | L | 3-1 |
| Oekraïne - TT Cup | 2021/06/17 15:25 | Anton Riabukhin v Andrii Baklykov | L | 1-3 |
| Oekraïne - TT Cup | 2021/06/17 14:15 | Anton Riabukhin v Denis Vakulenko | W | 3-2 |
| Oekraïne - TT Cup | 2021/06/17 13:35 | Anton Riabukhin v David Simonchuk | W | 3-0 |