| TT Cup Ukraine | 2021/06/13 07:10 | Oleksandr Didukh v Viktor Yefimov | L | 2-3 |
| TT Cup Ukraine | 2021/04/04 10:50 | Viktor Yefimov v Oleksandr Didukh | L | 3-2 |
| TT Cup Ukraine | 2021/04/03 10:15 | Oleksandr Didukh v Viktor Yefimov | L | 1-3 |
| TT Cup Ukraine | 2021/04/03 07:20 | Oleksandr Didukh v Viktor Yefimov | W | 3-2 |
| TT Cup Ukraine | 2021/03/10 18:50 | Viktor Yefimov v Oleksandr Didukh | W | 0-3 |
| TT Cup Ukraine | 2021/03/10 16:30 | Oleksandr Didukh v Viktor Yefimov | L | 0-3 |
| TT Cup Ukraine | 2021/03/09 13:35 | Viktor Yefimov v Oleksandr Didukh | L | 3-2 |
| TT Cup Ukraine | 2021/03/02 13:35 | Viktor Yefimov v Oleksandr Didukh | L | 3-0 |
| TT Cup Ukraine | 2021/06/28 19:00 | Vitaliy Lyevshin v Oleksandr Didukh | W | 0-3 |
| TT Cup Ukraine | 2021/06/28 18:25 | Oleksandr Didukh v Alexander Tuzhylin | W | 3-0 |
| TT Cup Ukraine | 2021/06/28 16:40 | Oleksandr Didukh v Anton Limonov | L | 1-3 |
| TT Cup Ukraine | 2021/06/28 15:30 | Vitaliy Lyevshin v Oleksandr Didukh | W | 1-3 |
| TT Cup Ukraine | 2021/06/28 14:55 | Oleksandr Didukh v Anton Limonov | L | 2-3 |
| TT Cup Ukraine | 2021/06/28 13:10 | Oleksandr Didukh v Alexander Tuzhylin | W | 3-1 |
| TT Cup Ukraine | 2021/06/27 18:25 | Alexander Tuzhylin v Oleksandr Didukh | W | 1-3 |
| TT Cup Ukraine | 2021/06/27 17:15 | Vitaliy Lyevshin v Oleksandr Didukh | W | 2-3 |
| TT Cup Ukraine | 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 |
| European Championships | 2021/06/22 07:50 | Benedek Olah v Viktor Yefimov | W | 2-3 |
| TT Cup Ukraine | 2021/06/13 10:05 | Anton Limonov v Viktor Yefimov | W | 1-3 |
| TT Cup Ukraine | 2021/06/13 08:20 | Quadri Aruna v Viktor Yefimov | L | 3-2 |
| TT Cup Ukraine | 2021/06/13 07:10 | Oleksandr Didukh v Viktor Yefimov | W | 2-3 |
| TT Cup Ukraine | 2021/06/12 10:05 | Anton Limonov v Viktor Yefimov | L | 3-2 |
| TT Cup Ukraine | 2021/06/12 08:20 | Alexander Tuzhylin v Viktor Yefimov | W | 2-3 |