| TT Cup | 2021/04/27 18:15 | Kovalov, Oleksandr v Riabukhin, Anton | W | 2-3 |
| TT Cup | 2021/04/25 11:50 | Riabukhin, Anton v Kovalov, Oleksandr | W | 3-1 |
| TT Cup | 2021/04/24 07:45 | Kovalov, Oleksandr v Riabukhin, Anton | W | 1-3 |
| TT Cup | 2021/04/01 00:35 | Riabukhin, Anton v Kovalov, Oleksandr | L | 2-3 |
| TT Cup | 2021/03/31 21:35 | Riabukhin, Anton v Kovalov, Oleksandr | L | 1-3 |
| TT Cup | 2021/03/09 08:45 | Kovalov, Oleksandr v Riabukhin, Anton | W | 1-3 |
| TT Cup | 2021/02/16 14:40 | Riabukhin, Anton v Kovalov, Oleksandr | W | 3-0 |
| TT Cup | 2021/02/15 15:15 | Kovalov, Oleksandr v Riabukhin, Anton | W | 2-3 |
| TT Cup | 2021/04/27 19:30 | Riabukhin, Anton v Sukovatiy, Igor | W | 3-0 |
| TT Cup | 2021/04/27 18:55 | Alekseenko, Dmytro v Riabukhin, Anton | W | 1-3 |
| TT Cup | 2021/04/27 18:15 | Kovalov, Oleksandr v Riabukhin, Anton | W | 2-3 |
| TT Cup | 2021/04/27 17:10 | Andrii Datsenko v Riabukhin, Anton | L | 3-0 |
| TT Cup | 2021/04/25 14:45 | Riabukhin, Anton v Ovcharenko, Maksim | W | 3-1 |
| TT Cup | 2021/04/25 11:50 | Riabukhin, Anton v Kovalov, Oleksandr | W | 3-1 |
| TT Cup | 2021/04/25 10:05 | Riabukhin, Anton v Skachenko, Serhii | W | 3-0 |
| TT Cup | 2021/04/25 08:20 | Riabukhin, Anton v Vakulenko, Denis | W | 3-2 |
| TT Cup | 2021/04/27 19:25 | Kovalov, Oleksandr v Alekseenko, Dmytro | W | 3-0 |
| TT Cup | 2021/04/27 18:50 | Kovalov, Oleksandr v Andrii Datsenko | W | 3-1 |
| TT Cup | 2021/04/27 18:15 | Kovalov, Oleksandr v Riabukhin, Anton | L | 2-3 |
| TT Cup | 2021/04/27 17:40 | Kovalov, Oleksandr v Sukovatiy, Igor | W | 3-1 |
| TT Cup | 2021/04/25 14:10 | Kovalov, Oleksandr v Sukovatiy, Igor | W | 3-0 |
| TT Cup | 2021/04/25 11:50 | Riabukhin, Anton v Kovalov, Oleksandr | L | 3-1 |
| TT Cup | 2021/04/25 10:40 | Kovalov, Oleksandr v Vakulenko, Denis | W | 3-2 |
| TT Cup | 2021/04/25 09:30 | Kovalov, Oleksandr v Ovcharenko, Maksim | L | 0-3 |