| Ukraine Win Cup | 04/12 13:45 | - | Kostuk, Borys v Andrii Shcherbak | W | 3-0 | |
| Ukraine Win Cup | 04/12 13:10 | - | Kostuk, Borys v Balakirev, M. | W | 3-1 | |
| TT Cup | 03/25 02:05 | - | Kostuk, Borys v Derevyinskyi, Artem | L | 0-3 | |
| TT Cup | 03/25 01:05 | - | Derevinskiy, Dmitriy v Kostuk, Borys | L | 3-1 | |
| TT Cup | 03/24 23:35 | - | Dmytro Baistriuchenko v Kostuk, Borys | L | 3-0 | |
| TT Cup | 03/24 22:05 | - | Kinash, Sergey v Kostuk, Borys | L | 3-2 | |
| TT Cup | 03/24 03:05 | - | Derevinskiy, Dmitriy v Kostuk, Borys | L | 3-2 | |
| TT Cup | 03/24 01:35 | - | Kostuk, Borys v Dmytro Baistriuchenko | L | 2-3 | |
| TT Cup | 03/24 00:05 | - | Pugach, Prokhor v Kostuk, Borys | W | 0-3 | |
| TT Cup | 03/23 22:35 | - | Kostuk, Borys v Dmytro Baistriuchenko | L | 1-3 | |
| TT Cup | 03/23 22:05 | - | Derevinskiy, Dmitriy v Kostuk, Borys | L | 3-1 | |
| TT Cup | 03/22 20:25 | - | Kostuk, Borys v Vadym Komar | W | 3-0 | |
| TT Cup | 03/22 19:15 | - | Zhuravliov, M. v Kostuk, Borys | W | 0-3 | |
| TT Cup | 03/22 18:05 | - | Pugach, Prokhor v Kostuk, Borys | W | 0-3 | |
| TT Cup | 03/22 17:30 | - | Kostuk, Borys v Tytyunnik, O. | W | 3-0 | |
| TT Cup | 03/22 16:55 | - | Kubrak, Serhii v Kostuk, Borys | W | 2-3 | |
| TT Cup | 03/20 18:05 | - | Kostuk, Borys v Kolos, Maksym | L | 0-3 | |
| TT Cup | 03/20 16:55 | - | Kinash, Sergey v Kostuk, Borys | W | 0-3 | |
| TT Cup | 03/20 15:45 | - | Kryshtal, Dmytro v Kostuk, Borys | L | 3-0 | |
| TT Cup | 03/20 12:15 | - | Lyushnya, Aleksandr v Kostuk, Borys | L | 3-0 | |
| TT Cup | 03/20 09:55 | - | Chaplyanka, Anatoliy v Kostuk, Borys | L | 3-0 | |
| TT Cup | 03/20 07:35 | - | Kolos, Maksym v Kostuk, Borys | W | 0-3 | |
| TT Cup | 03/20 05:50 | - | Dmytro Baistriuchenko v Kostuk, Borys | L | 3-1 | |
| TT Cup | 03/19 13:30 | - | Derevyinskyi, Artem v Kostuk, Borys | L | 3-0 | |
| TT Cup | 03/19 12:20 | - | Dmytro Baistriuchenko v Kostuk, Borys | W | 2-3 | |
| TT Cup | 03/19 10:35 | - | Selin, Andriy v Kostuk, Borys | L | 3-0 | |
| TT Cup | 03/19 08:15 | - | Kinash, Sergey v Kostuk, Borys | W | 0-3 | |
| TT Cup | 03/19 05:55 | - | Derevinskiy, Dmitriy v Kostuk, Borys | L | 3-2 | |
| TT Cup | 03/18 13:30 | - | Dmytro Baistriuchenko v Kostuk, Borys | L | 3-0 | |
| TT Cup | 03/18 12:20 | - | Derevinskiy, Dmitriy v Kostuk, Borys | W | 1-3 |