| TT Cup | 2021/10/07 10:00 | Boiko, Serhii v Krutko, Aleksey | L | 2-3 |
| TT Cup | 2021/09/30 09:35 | Boiko, Serhii v Krutko, Aleksey | W | 3-2 |
| TT Cup | 2021/09/29 09:00 | Krutko, Aleksey v Boiko, Serhii | W | 0-3 |
| TT Cup | 2021/09/23 04:50 | Krutko, Aleksey v Boiko, Serhii | L | 3-0 |
| TT Cup | 2021/09/22 13:00 | Boiko, Serhii v Krutko, Aleksey | W | 3-1 |
| TT Cup | 2021/09/19 12:25 | Boiko, Serhii v Krutko, Aleksey | W | 3-1 |
| TT Cup | 2021/09/18 07:10 | Krutko, Aleksey v Boiko, Serhii | W | 2-3 |
| TT Cup | 2021/09/09 07:15 | Krutko, Aleksey v Boiko, Serhii | L | 3-2 |
| TT Cup | 2021/10/20 07:15 | Boiko, Serhii v Tsybulin, Sergey | L | 2-3 |
| TT Cup | 2021/10/20 06:05 | Boiko, Serhii v Shkurupii, A. | L | 1-3 |
| TT Cup | 2021/10/10 13:35 | Levadniy, Aleksandr v Boiko, Serhii | L | 3-2 |
| TT Cup | 2021/10/10 13:00 | Levadniy, Aleksandr v Boiko, Serhii | L | 3-0 |
| TT Cup | 2021/10/10 11:15 | Boiko, Serhii v Lev Kats | L | 0-3 |
| TT Cup | 2021/10/10 08:55 | Molochko, Anton v Boiko, Serhii | L | 3-0 |
| TT Cup | 2021/10/10 06:35 | Gogenko, Sergiy v Boiko, Serhii | L | 3-2 |
| TT Cup | 2021/10/10 05:25 | 윤치크, 발렌틴 v Boiko, Serhii | W | 1-3 |
| TT Cup | 2021/10/20 07:50 | Krutko, Aleksey v Shkurupii, A. | W | 3-0 |
| TT Cup | 2021/10/20 06:40 | 슈체르바크, 데니스 v Krutko, Aleksey | L | 3-2 |
| TT Cup | 2021/10/20 05:30 | Krutko, Aleksey v Tsybulin, Sergey | W | 3-2 |
| TT Cup | 2021/10/17 14:35 | Krutko, Aleksey v Masko, E. | L | 2-3 |
| TT Cup | 2021/10/17 13:35 | Krutko, Aleksey v Masko, E. | L | 2-3 |
| TT Cup | 2021/10/17 11:50 | 슈체르바크, 데니스 v Krutko, Aleksey | W | 0-3 |
| TT Cup | 2021/10/17 10:40 | Krutko, Aleksey v Cherevko, Roman | L | 0-3 |
| TT Cup | 2021/10/17 09:30 | Krutko, Aleksey v Trofimov, Nikita | L | 1-3 |