| 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 | 2021/03/02 13:35 | Viktor Yefimov v Oleksandr Didukh | L | 3-0 |
| Ukraina TT Cup | 2021/03/01 20:00 | Viktor Yefimov v Oleksandr Didukh | L | 3-0 |
| Ukraina TT Cup | 2021/06/12 10:40 | Quadri Aruna v Oleksandr Didukh | L | 3-0 |
| Ukraina TT Cup | 2021/06/12 07:45 | Yevhen Pryshchepa v Oleksandr Didukh | L | 3-1 |
| Ukraina TT Cup | 2021/06/12 06:35 | Anton Limonov v Oleksandr Didukh | L | 3-0 |
| Austria Bundesliga 1 | 2021/05/03 18:59 | Tomas Konecny v Oleksandr Didukh | L | 3-2 |
| Austria Bundesliga 1 | 2021/04/11 15:30 | Andreas Levenko v Oleksandr Didukh | L | 3-2 |
| Ukraina TT Cup | 2021/04/04 10:50 | Viktor Yefimov v Oleksandr Didukh | L | 3-2 |
| Ukraina TT Cup | 2021/04/04 08:30 | Vitaliy Lyevshin v Oleksandr Didukh | L | 3-0 |
| Ukraina TT Cup | 2021/04/04 06:45 | Yevhen Pryshchepa v Oleksandr Didukh | L | 3-2 |
| Ukraina TT Cup | 2021/06/12 10:05 | Anton Limonov v Viktor Yefimov | L | 3-2 |
| Ukraina TT Cup | 2021/06/12 08:20 | Alexander Tuzhylin v Viktor Yefimov | W | 2-3 |
| Ukraina TT Cup | 2021/06/12 06:00 | Yevhen Pryshchepa v Viktor Yefimov | L | 3-2 |
| Ukraina TT Cup | 2021/04/28 12:00 | Yevhen Pryshchepa v Viktor Yefimov | W | 2-3 |
| Ukraina TT Cup | 2021/04/28 10:15 | Viktor Yefimov v Bohdan Sinkevych | W | 3-2 |
| Ukraina TT Cup | 2021/04/28 09:05 | Viktor Yefimov v Yevhen Pryshchepa | L | 0-3 |
| TT Cup | 2021/04/28 07:55 | Viktor Yefimov v Yaroslav Zhmudenko | W | 3-1 |
| Ukraina TT Cup | 2021/04/28 06:45 | Viktor Yefimov v Anton Limonov | W | 3-0 |