| TT Cup | 2021/03/04 13:25 | Kovalchuk, Nazar v Krutko, Aleksey | L | 1-3 |
| TT Cup | 2021/03/04 05:50 | Krutko, Aleksey v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2021/03/03 06:25 | Kovalchuk, Nazar v Krutko, Aleksey | L | 2-3 |
| TT Cup | 2021/02/06 21:00 | Krutko, Aleksey v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2021/02/06 00:50 | Kovalchuk, Nazar v Krutko, Aleksey | L | 2-3 |
| Ukraine Win Cup | 2020/12/25 17:30 | Krutko, Aleksey v Kovalchuk, Nazar | L | 3-0 |
| Ukraine Win Cup | 2020/12/12 10:45 | Krutko, Aleksey v Kovalchuk, Nazar | W | 0-3 |
| Ukraine Win Cup | 2020/12/12 07:45 | Kovalchuk, Nazar v Krutko, Aleksey | W | 3-1 |
| TT Cup | 2021/03/10 11:40 | Levadniy, Aleksandr v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2021/03/10 09:20 | Shkurupii, A. v Kovalchuk, Nazar | L | 3-2 |
| TT Cup | 2021/03/10 08:10 | Kovalchuk, Nazar v Tsybulin, Sergey | W | 3-0 |
| TT Cup | 2021/03/10 07:00 | Boiko, Serhii v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2021/03/07 19:25 | Simonchuk, David v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2021/03/07 17:05 | Tkachenko, Oleksandr v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2021/03/07 16:30 | Kovalchuk, Nazar v Simonchuk, David | W | 3-2 |
| TT Cup | 2021/03/07 15:20 | Gaponov, Aleksey v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2021/03/10 12:15 | Krutko, Aleksey v Tsybulin, Sergey | W | 3-2 |
| TT Cup | 2021/03/10 09:55 | Boiko, Serhii v Krutko, Aleksey | L | 3-2 |
| TT Cup | 2021/03/10 07:35 | Shkurupii, A. v Krutko, Aleksey | L | 3-1 |
| TT Cup | 2021/03/10 06:25 | Levadniy, Aleksandr v Krutko, Aleksey | L | 3-2 |
| TT Cup | 2021/03/04 13:25 | Kovalchuk, Nazar v Krutko, Aleksey | W | 1-3 |
| TT Cup | 2021/03/04 11:40 | Shkurupii, A. v Krutko, Aleksey | W | 1-3 |
| TT Cup | 2021/03/04 11:05 | Krutko, Aleksey v Masko, E. | W | 3-0 |
| TT Cup | 2021/03/04 07:35 | Krutko, Aleksey v Tsybulin, Sergey | W | 3-1 |