| Ukraine Win Cup | 2021/10/04 15:30 | Nazar Kovalchuk v Sergey Zemyantsev | L | 1-3 |
| Ukraine Win Cup | 2021/05/09 10:00 | Sergey Zemyantsev v Nazar Kovalchuk | W | 1-3 |
| Ukraine Win Cup | 2021/05/09 07:00 | Nazar Kovalchuk v Sergey Zemyantsev | W | 3-0 |
| Ukraine Win Cup | 2021/05/08 09:00 | Nazar Kovalchuk v Sergey Zemyantsev | L | 1-3 |
| Ukraine Win Cup | 2021/05/08 06:00 | Sergey Zemyantsev v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/02/07 01:30 | Sergey Zemyantsev v Nazar Kovalchuk | W | 0-3 |
| TT Cup Ukraine | 2021/02/06 03:20 | Sergey Zemyantsev v Nazar Kovalchuk | W | 2-3 |
| Ukraine Win Cup | 2020/12/25 19:00 | Nazar Kovalchuk v Sergey Zemyantsev | L | 1-3 |
| Ukraine Win Cup | 2021/10/15 14:30 | Ilya Kutniy v Nazar Kovalchuk | W | 2-3 |
| Ukraine Win Cup | 2021/10/15 14:00 | Roman Derypaska v Nazar Kovalchuk | L | 3-0 |
| Ukraine Win Cup | 2021/10/15 12:30 | Nazar Kovalchuk v Konstantyn Kirsanov | W | 3-2 |
| Ukraine Win Cup | 2021/10/15 12:00 | Andrii Fedorchenko v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/10/14 11:15 | Nazar Kovalchuk v Denys Shcherbak | W | 3-1 |
| TT Cup Ukraine | 2021/10/14 08:20 | Oleksandr Levadniy v Nazar Kovalchuk | L | 3-2 |
| TT Cup Ukraine | 2021/10/14 07:45 | Nazar Kovalchuk v Andrii Baklykov | W | 3-1 |
| TT Cup Ukraine | 2021/10/14 06:35 | Aleksey Krutko v Nazar Kovalchuk | W | 0-3 |
| Ukraine Win Cup | 2021/10/15 14:30 | Sergey Zemyantsev v Roman Derypaska | W | 3-1 |
| Ukraine Win Cup | 2021/10/15 14:00 | Konstantyn Kirsanov v Sergey Zemyantsev | L | 3-1 |
| Ukraine Win Cup | 2021/10/15 13:00 | Sergey Zemyantsev v Andrii Fedorchenko | L | 1-3 |
| Ukraine Win Cup | 2021/10/15 11:30 | Anton Yolkin v Sergey Zemyantsev | L | 3-2 |
| TT Cup Ukraine | 2021/10/14 12:20 | Nikita Trofimov v Sergey Zemyantsev | L | 3-2 |
| TT Cup Ukraine | 2021/10/14 11:10 | Sergey Zemyantsev v Maxim Nikolenko | L | 1-3 |
| TT Cup Ukraine | 2021/10/14 10:00 | Roman Cherevko v Sergey Zemyantsev | W | 1-3 |
| TT Cup Ukraine | 2021/10/14 08:15 | Nikita Trofimov v Sergey Zemyantsev | L | 3-2 |