| Ukraine Win Cup | 2021/10/15 16:00 | Nazar Kovalchuk v Sergey Zemyantsev | W | 2-3 |
| Ukraine Win Cup | 2021/10/04 15:30 | Nazar Kovalchuk v Sergey Zemyantsev | W | 1-3 |
| Ukraine Win Cup | 2021/05/09 10:00 | Sergey Zemyantsev v Nazar Kovalchuk | L | 1-3 |
| Ukraine Win Cup | 2021/05/09 07:00 | Nazar Kovalchuk v Sergey Zemyantsev | L | 3-0 |
| Ukraine Win Cup | 2021/05/08 09:00 | Nazar Kovalchuk v Sergey Zemyantsev | W | 1-3 |
| Ukraine Win Cup | 2021/05/08 06:00 | Sergey Zemyantsev v Nazar Kovalchuk | L | 2-3 |
| TT Cup Ukraine | 2021/02/07 01:30 | Sergey Zemyantsev v Nazar Kovalchuk | L | 0-3 |
| TT Cup Ukraine | 2021/02/06 03:20 | Sergey Zemyantsev v Nazar Kovalchuk | L | 2-3 |
| Ukraine Win Cup | 2020/12/25 19:00 | Nazar Kovalchuk v Sergey Zemyantsev | W | 1-3 |