| Ucraina - TT Cup | 2020/09/17 17:45 | Oleksandr Kovalov v Anton Riabukhin | W | 2-3 |
| Ucraina - TT Cup | 2020/09/02 18:15 | Oleksandr Kovalov v Anton Riabukhin | W | 2-3 |
| Ucraina - TT Cup | 2020/07/21 08:20 | Anton Riabukhin v Oleksandr Kovalov | L | 1-3 |
| Ucraina - TT Cup | 2020/07/20 09:30 | Anton Riabukhin v Oleksandr Kovalov | L | 2-3 |
| Ucraina - TT Cup | 2020/06/30 05:25 | Anton Riabukhin v Oleksandr Kovalov | L | 1-3 |
| Ucraina - TT Cup | 2020/06/25 05:25 | Anton Riabukhin v Oleksandr Kovalov | L | 1-3 |
| Ucraina - TT Cup | 2020/05/06 00:05 | Oleksandr Kovalov v Anton Riabukhin | L | 3-1 |
| Ucraina - TT Cup | 2020/05/05 00:05 | Oleksandr Kovalov v Anton Riabukhin | W | 0-3 |