| 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 | 2020/12/10 22:35 | Serhii Boiko v Nazar Kovalchuk | L | 1-3 |
| TT Cup Ukraine | 2021/08/14 13:35 | Serhii Boiko v Oleksandr Levadniy | W | 3-2 |
| TT Cup Ukraine | 2021/08/14 11:50 | Serhii Boiko v Aleksey Krutko | L | 2-3 |
| TT Cup Ukraine | 2021/08/14 10:05 | Serhii Boiko v Serhii Hohenko | L | 1-3 |
| TT Cup Ukraine | 2021/08/14 08:20 | Serhii Boiko v Oleksandr Levadniy | W | 3-2 |
| TT Cup Ukraine | 2021/08/14 06:35 | Serhii Boiko v Roman Cherevko | L | 0-3 |
| TT Cup Ukraine | 2021/08/14 04:50 | Serhii Boiko v Serhii Tsybulin | L | 0-3 |
| TT Cup Ukraine | 2021/08/12 11:50 | Serhii Boiko v David Simonchuk | L | 1-3 |
| TT Cup Ukraine | 2021/08/12 10:05 | Serhii Boiko v Denys Shcherbak | W | 3-1 |
| TT Cup Ukraine | 2021/08/14 11:45 | Yevhen Masko v Nazar Kovalchuk | L | 3-2 |
| TT Cup Ukraine | 2021/08/14 11:10 | Nazar Kovalchuk v Dmitry Dubrovin | W | 3-1 |
| TT Cup Ukraine | 2021/08/14 10:00 | Yevhen Masko v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2021/08/14 08:15 | Oleksandr Zhukovskyi v Nazar Kovalchuk | L | 3-2 |
| TT Cup Ukraine | 2021/08/14 06:30 | Sergey Filatov v Nazar Kovalchuk | L | 3-1 |
| TT Cup (2021) | 2021/08/12 11:10 | Aleksey Gaponov v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/08/12 08:50 | Sergey Filatov v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2021/08/12 07:05 | Dmitry Dubrovin v Nazar Kovalchuk | L | 3-1 |