| Ukraine Win Cup | 2021/03/24 09:30 | Popov, Anton v Kovalchuk, Nazar | L | 3-0 |
| Ukraine Win Cup | 2021/03/24 07:30 | Kovalchuk, Nazar v Popov, Anton | W | 3-0 |
| Ukraine Win Cup | 2020/12/25 12:30 | Popov, Anton v Kovalchuk, Nazar | L | 3-1 |
| Ukraine Win Cup | 2020/12/24 08:30 | Popov, Anton v Kovalchuk, Nazar | W | 2-3 |
| Ukraine Win Cup | 2020/12/24 06:00 | Kovalchuk, Nazar v Popov, Anton | W | 3-1 |
| Ukraine Win Cup | 2020/12/23 09:30 | Popov, Anton v Kovalchuk, Nazar | W | 2-3 |
| Ukraine Win Cup | 2020/12/23 08:00 | Kovalchuk, Nazar v Popov, Anton | L | 2-3 |
| Ukraine Win Cup | 2020/11/30 09:00 | Kovalchuk, Nazar v Popov, Anton | L | 1-3 |
| TT Cup | 2021/04/09 01:35 | Kovalchuk, Nazar v Levadniy, Aleksandr | L | 0-3 |
| TT Cup | 2021/04/09 01:05 | Kovalchuk, Nazar v Shkurupii, A. | L | 0-3 |
| TT Cup | 2021/04/09 00:05 | Boiko, Serhii v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2021/04/08 22:35 | Krutko, Aleksey v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2021/04/08 21:05 | Levadniy, Aleksandr v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2021/04/08 01:35 | Kovalchuk, Nazar v Levadniy, Aleksandr | L | 1-3 |
| TT Cup | 2021/04/08 00:35 | Kovalchuk, Nazar v Krutko, Aleksey | L | 1-3 |
| TT Cup | 2021/04/07 23:35 | Kovalchuk, Nazar v Tsybulin, Sergey | W | 3-2 |
| Ukraine Win Cup | 2021/04/08 09:00 | Popov, Anton v Trofimov, Nikita | L | 2-3 |
| Ukraine Win Cup | 2021/04/08 07:30 | Popov, Anton v Yolkin, Anton | L | 2-3 |
| Ukraine Win Cup | 2021/04/08 06:00 | Trofimov, Nikita v Popov, Anton | L | 3-1 |
| Ukraine Win Cup | 2021/04/08 05:00 | Yolkin, Anton v Popov, Anton | L | 3-1 |
| Ukraine Win Cup | 2021/04/05 17:30 | Lev Kats v Popov, Anton | W | 2-3 |
| Ukraine Win Cup | 2021/04/05 17:00 | Popov, Anton v Cherevko, Roman | W | 3-0 |
| Ukraine Win Cup | 2021/04/05 15:00 | Derypaska, Roman v Popov, Anton | L | 3-1 |
| Ukraine Win Cup | 2021/04/05 13:30 | Popov, Anton v Baranovskiy, Sergey | W | 3-0 |