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