| TT Cup | 2021/04/03 13:00 | Boiko, Serhii v Tsybulin, Sergey | W | 3-1 |
| TT Cup | 2021/04/01 05:25 | Boiko, Serhii v Tsybulin, Sergey | W | 3-1 |
| TT Cup | 2021/03/31 06:35 | Boiko, Serhii v Tsybulin, Sergey | W | 3-1 |
| TT Cup | 2021/03/28 10:05 | Boiko, Serhii v Tsybulin, Sergey | W | 3-1 |
| TT Cup | 2021/03/27 11:05 | Tsybulin, Sergey v Boiko, Serhii | L | 3-2 |
| TT Cup | 2021/03/18 11:40 | Boiko, Serhii v Tsybulin, Sergey | L | 2-3 |
| TT Cup | 2021/03/17 11:45 | Boiko, Serhii v Tsybulin, Sergey | W | 3-2 |
| TT Cup | 2021/03/17 10:35 | Boiko, Serhii v Tsybulin, Sergey | W | 3-0 |
| TT Cup | 2021/04/03 13:00 | Boiko, Serhii v Tsybulin, Sergey | W | 3-1 |
| TT Cup | 2021/04/03 10:40 | Teterya, Yuriy v Boiko, Serhii | W | 2-3 |
| TT Cup | 2021/04/03 08:20 | Roman Cherevko v Boiko, Serhii | L | 3-1 |
| TT Cup | 2021/04/03 07:10 | Boiko, Serhii v Pismenniy, Evgeniy | L | 0-3 |
| TT Cup | 2021/04/03 06:00 | Gogenko, Sergiy v Boiko, Serhii | L | 3-0 |
| TT Cup | 2021/04/01 11:50 | Krutko, Aleksey v Boiko, Serhii | W | 2-3 |
| TT Cup | 2021/04/01 10:40 | Boiko, Serhii v Levadniy, Aleksandr | W | 3-1 |
| TT Cup | 2021/04/01 09:30 | Boiko, Serhii v Shkurupii, A. | W | 3-1 |
| TT Cup | 2021/04/03 13:00 | Boiko, Serhii v Tsybulin, Sergey | L | 3-1 |
| TT Cup | 2021/04/03 11:15 | Tsybulin, Sergey v Pismenniy, Evgeniy | W | 3-1 |
| TT Cup | 2021/04/03 08:55 | Gogenko, Sergiy v Tsybulin, Sergey | L | 3-0 |
| TT Cup | 2021/04/03 06:35 | Roman Cherevko v Tsybulin, Sergey | L | 3-2 |
| TT Cup | 2021/04/03 05:25 | Teterya, Yuriy v Tsybulin, Sergey | L | 3-2 |
| TT Cup | 2021/04/01 13:00 | Levadniy, Aleksandr v Tsybulin, Sergey | W | 2-3 |
| TT Cup | 2021/04/01 11:15 | Tsybulin, Sergey v Shkurupii, A. | W | 3-2 |
| TT Cup | 2021/04/01 08:55 | Lev Kats v Tsybulin, Sergey | W | 0-3 |