| TT Cup | 2021/12/01 13:30 | Boiko, Serhii v Kovalchuk, Nazar | W | 3-1 |
| TT Cup | 2021/10/27 10:05 | Kovalchuk, Nazar v Boiko, Serhii | L | 3-1 |
| TT Cup | 2021/04/09 00:05 | Boiko, Serhii v Kovalchuk, Nazar | W | 3-1 |
| TT Cup | 2021/03/18 10:30 | Boiko, Serhii v Kovalchuk, Nazar | W | 3-2 |
| TT Cup | 2021/03/17 09:25 | Boiko, Serhii v Kovalchuk, Nazar | L | 0-3 |
| TT Cup | 2021/03/11 05:50 | Boiko, Serhii v Kovalchuk, Nazar | W | 3-2 |
| TT Cup | 2021/03/10 07:00 | Boiko, Serhii v Kovalchuk, Nazar | W | 3-1 |
| TT Cup | 2021/02/06 22:00 | Boiko, Serhii v Kovalchuk, Nazar | W | 3-1 |
| TT Cup | 2021/12/02 05:55 | Boiko, Serhii v Molochko, Anton | L | 0-3 |
| TT Cup | 2021/12/01 13:30 | Boiko, Serhii v Kovalchuk, Nazar | W | 3-1 |
| TT Cup | 2021/12/01 11:10 | Masko, E. v Boiko, Serhii | W | 2-3 |
| TT Cup | 2021/12/01 10:00 | Boiko, Serhii v Molochko, Anton | L | 2-3 |
| TT Cup | 2021/12/01 08:50 | Shkurupii, A. v Boiko, Serhii | L | 3-2 |
| TT Cup | 2021/12/01 07:05 | Boiko, Serhii v Krutko, Aleksey | L | 1-3 |
| Ukraine Win Cup | 2021/11/27 12:00 | Boiko, Serhii v Maksimenko, Artem | L | 1-3 |
| Ukraine Win Cup | 2021/11/27 11:00 | Boiko, Serhii v Pavlyuk, Oleg | W | 3-1 |
| TT Cup | 2021/12/02 06:30 | Masko, E. v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2021/12/01 13:30 | Boiko, Serhii v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2021/12/01 12:20 | Molochko, Anton v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2021/12/01 10:35 | Shkurupii, A. v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2021/12/01 08:15 | Krutko, Aleksey v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2021/12/01 05:55 | Masko, E. v Kovalchuk, Nazar | L | 3-2 |
| TT Cup | 2021/11/30 17:30 | Vakulenko, Denis v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2021/11/30 16:55 | Kovalchuk, Nazar v Vakulenko, Denis | L | 1-3 |