| TT Cup | 2021/08/14 06:45 | Didukh, Oleksandr v Viktor Yefimov | W | 3-1 |
| TT Cup | 2021/06/13 07:10 | Didukh, Oleksandr v Viktor Yefimov | L | 2-3 |
| TT Cup | 2021/04/04 10:50 | Viktor Yefimov v Didukh, Oleksandr | L | 3-2 |
| TT Cup | 2021/04/03 10:15 | Didukh, Oleksandr v Viktor Yefimov | L | 1-3 |
| TT Cup | 2021/04/03 07:20 | Didukh, Oleksandr v Viktor Yefimov | W | 3-2 |
| TT Cup | 2021/03/10 18:50 | Viktor Yefimov v Didukh, Oleksandr | W | 0-3 |
| TT Cup | 2021/03/10 16:30 | Didukh, Oleksandr v Viktor Yefimov | L | 0-3 |
| TT Cup | 2021/03/09 13:35 | Viktor Yefimov v Didukh, Oleksandr | L | 3-2 |
| TT Cup | 2021/08/15 09:40 | Yevhen Pryshchepa v Didukh, Oleksandr | L | 3-0 |
| TT Cup | 2021/08/15 07:55 | Lyevshyn, Vitaliy v Didukh, Oleksandr | W | 1-3 |
| TT Cup | 2021/08/15 06:10 | Anton Limonov v Didukh, Oleksandr | W | 2-3 |
| TT Cup | 2021/08/14 11:25 | Anton Limonov v Didukh, Oleksandr | L | 3-1 |
| TT Cup | 2021/08/14 10:15 | Didukh, Oleksandr v Anton Limonov | L | 1-3 |
| TT Cup | 2021/08/14 09:05 | Didukh, Oleksandr v Yevhen Pryshchepa | L | 0-3 |
| TT Cup | 2021/08/14 07:55 | Didukh, Oleksandr v Lyevshyn, Vitaliy | L | 0-3 |
| TT Cup | 2021/08/14 06:45 | Didukh, Oleksandr v Viktor Yefimov | W | 3-1 |
| TT Cup | 2021/08/15 08:30 | Anton Limonov v Viktor Yefimov | W | 1-3 |
| TT Cup | 2021/08/15 06:45 | Lyevshyn, Vitaliy v Viktor Yefimov | W | 0-3 |
| TT Cup | 2021/08/15 05:35 | Yevhen Pryshchepa v Viktor Yefimov | L | 3-1 |
| TT Cup | 2021/08/14 10:50 | Lyevshyn, Vitaliy v Viktor Yefimov | L | 3-1 |
| TT Cup | 2021/08/14 08:30 | Yevhen Pryshchepa v Viktor Yefimov | L | 3-1 |
| TT Cup | 2021/08/14 06:45 | Didukh, Oleksandr v Viktor Yefimov | L | 3-1 |
| TT Cup | 2021/08/14 05:35 | Anton Limonov v Viktor Yefimov | L | 3-0 |
| European Championships | 2021/06/24 18:20 | Joao Monteiro v Viktor Yefimov | L | 4-0 |