| TT Cup Ukraine | 2021/10/27 10:05 | Nazar Kovalchuk v Serhii Boiko | L | 3-1 |
| TT Cup Ukraine | 2021/04/09 00:05 | Serhii Boiko v Nazar Kovalchuk | W | 3-1 |
| TT Cup Ukraine | 2021/03/18 10:30 | Serhii Boiko v Nazar Kovalchuk | W | 3-2 |
| TT Cup Ukraine | 2021/03/17 09:25 | Serhii Boiko v Nazar Kovalchuk | L | 0-3 |
| TT Cup Ukraine | 2021/03/11 05:50 | Serhii Boiko v Nazar Kovalchuk | W | 3-2 |
| TT Cup Ukraine | 2021/03/10 07:00 | Serhii Boiko v Nazar Kovalchuk | W | 3-1 |
| TT Cup Ukraine | 2021/02/06 22:00 | Serhii Boiko v Nazar Kovalchuk | W | 3-1 |
| TT Cup Ukraine | 2021/02/05 23:20 | Nazar Kovalchuk v Serhii Boiko | W | 1-3 |
| TT Cup Ukraine | 2021/12/01 11:10 | Yevhen Masko v Serhii Boiko | W | 2-3 |
| TT Cup Ukraine | 2021/12/01 10:00 | Serhii Boiko v Anton Molochko | L | 2-3 |
| TT Cup Ukraine | 2021/12/01 08:50 | Oleksandr Shkurupii v Serhii Boiko | L | 3-2 |
| TT Cup Ukraine | 2021/12/01 07:05 | Serhii Boiko v Aleksey Krutko | L | 1-3 |
| Ukraine Win Cup | 2021/11/27 12:00 | Serhii Boiko v Artyom Maximenko | L | 1-3 |
| Ukraine Win Cup | 2021/11/27 11:00 | Serhii Boiko v Oleg Pavlyuk | W | 3-1 |
| Ukraine Win Cup | 2021/11/27 09:30 | Serhii Boiko v Denis Kebalo | W | 3-2 |
| Ukraine Win Cup | 2021/11/27 09:00 | Artyom Maximenko v Serhii Boiko | W | 2-3 |
| TT Cup Ukraine | 2021/12/01 12:20 | Anton Molochko v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2021/12/01 10:35 | Oleksandr Shkurupii v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/12/01 08:15 | Aleksey Krutko v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/12/01 05:55 | Yevhen Masko v Nazar Kovalchuk | L | 3-2 |
| TT Cup Ukraine | 2021/11/30 17:30 | Denis Vakulenko v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2021/11/30 16:55 | Nazar Kovalchuk v Denis Vakulenko | L | 1-3 |
| TT Cup Ukraine | 2021/11/30 16:20 | Nazar Kovalchuk v Serhii Ponomarenko | L | 1-3 |
| TT Cup Ukraine | 2021/11/30 15:45 | Nazar Kovalchuk v Andrii Datsenko | L | 1-3 |