| TT Cup | 2021/04/01 00:35 | Riabukhin, Anton v Kovalov, Oleksandr | W | 2-3 |
| TT Cup | 2021/03/31 21:35 | Riabukhin, Anton v Kovalov, Oleksandr | W | 1-3 |
| TT Cup | 2021/03/09 08:45 | Kovalov, Oleksandr v Riabukhin, Anton | L | 1-3 |
| TT Cup | 2021/02/16 14:40 | Riabukhin, Anton v Kovalov, Oleksandr | L | 3-0 |
| TT Cup | 2021/02/15 15:15 | Kovalov, Oleksandr v Riabukhin, Anton | L | 2-3 |
| TT Cup | 2021/01/26 06:25 | Riabukhin, Anton v Kovalov, Oleksandr | L | 3-0 |
| TT Cup | 2021/01/25 09:20 | Riabukhin, Anton v Kovalov, Oleksandr | L | 3-0 |
| TT Cup | 2021/01/14 08:45 | Riabukhin, Anton v Kovalov, Oleksandr | W | 2-3 |
| TT Cup | 2021/04/24 05:25 | Kovalov, Oleksandr v Ovcharenko, Maksim | W | 3-0 |
| TT Cup | 2021/04/20 10:05 | Skachenko, Serhii v Kovalov, Oleksandr | W | 0-3 |
| TT Cup | 2021/04/20 08:55 | Sukovatiy, Igor v Kovalov, Oleksandr | W | 2-3 |
| TT Cup | 2021/04/20 08:20 | Kovalov, Oleksandr v Alekseenko, Dmytro | L | 0-3 |
| TT Cup | 2021/04/20 06:35 | Skachenko, Serhii v Kovalov, Oleksandr | W | 1-3 |
| TT Cup | 2021/04/20 05:25 | Sukovatiy, Igor v Kovalov, Oleksandr | W | 2-3 |
| TT Cup | 2021/04/20 04:50 | Kovalov, Oleksandr v Alekseenko, Dmytro | W | 3-2 |
| TT Cup | 2021/04/19 10:05 | Alekseenko, Dmytro v Kovalov, Oleksandr | L | 3-2 |
| TT Cup | 2021/04/24 06:00 | Riabukhin, Anton v Sukovatiy, Igor | W | 3-1 |
| Ukraine Win Cup | 2021/04/15 16:45 | Babenko, P. v Riabukhin, Anton | W | 1-3 |
| Ukraine Win Cup | 2021/04/15 16:15 | Riabukhin, Anton v Maksimenko, Artem | W | 3-1 |
| Ukraine Win Cup | 2021/04/15 14:15 | Grabskiy, Andrey v Riabukhin, Anton | W | 1-3 |
| Ukraine Win Cup | 2021/04/15 12:45 | Riabukhin, Anton v Tsubera, Roman | W | 3-1 |
| TT Cup | 2021/04/13 16:00 | 보크, 비탈리 v Riabukhin, Anton | L | 3-1 |
| TT Cup | 2021/04/13 14:50 | Vakulenko, Denis v Riabukhin, Anton | L | 3-1 |
| TT Cup | 2021/04/13 14:10 | Ponomarenko, Sergey v Riabukhin, Anton | L | 3-1 |