| TT Cup | 2021/07/10 06:55 | Tovkach, Mykola v Kostiuk, Oleksandr | W | 3-0 |
| TT Cup | 2021/07/08 21:15 | Tovkach, Mykola v Kostiuk, Oleksandr | L | 2-3 |
| TT Cup | 2021/06/18 21:15 | Kostiuk, Oleksandr v Tovkach, Mykola | W | 1-3 |
| TT Cup | 2021/06/14 01:45 | Tovkach, Mykola v Kostiuk, Oleksandr | W | 3-2 |
| TT Cup | 2021/06/13 21:45 | Tovkach, Mykola v Kostiuk, Oleksandr | W | 3-2 |
| TT Cup | 2021/06/04 09:50 | Kostiuk, Oleksandr v Tovkach, Mykola | W | 2-3 |
| TT Cup | 2021/06/04 06:55 | Kostiuk, Oleksandr v Tovkach, Mykola | W | 1-3 |
| TT Cup | 2021/05/28 08:40 | Kostiuk, Oleksandr v Tovkach, Mykola | L | 3-2 |
| TT Cup | 2021/08/02 06:55 | Tovkach, Mykola v Tuchkevych, Volodymyr | W | 3-2 |
| TT Cup | 2021/07/27 02:15 | Tovkach, Mykola v Semeniuk, Illya | L | 0-3 |
| TT Cup | 2021/07/27 01:15 | Tovkach, Mykola v Rybachuk, Roman | W | 3-1 |
| TT Cup | 2021/07/27 00:45 | Tovkach, Mykola v Berezynskyi, Serhii | L | 2-3 |
| TT Cup | 2021/07/26 23:15 | Semeniuk, Illya v Tovkach, Mykola | L | 3-0 |
| TT Cup | 2021/07/26 22:45 | Tovkach, Mykola v Rybachuk, Roman | L | 0-3 |
| TT Cup | 2021/07/26 21:15 | Tovkach, Mykola v Berezynskyi, Serhii | L | 0-3 |
| TT Cup | 2021/07/22 19:45 | Rybachuk, Roman v Tovkach, Mykola | L | 3-1 |
| TT Cup | 2021/08/02 06:20 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/07/30 02:15 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/07/29 23:45 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-0 |
| TT Cup | 2021/07/29 23:15 | Kostiuk, Oleksandr v Bogdan Stasiuk | W | 3-1 |
| TT Cup | 2021/07/29 22:15 | Tuchkevych, Volodymyr v Kostiuk, Oleksandr | W | 2-3 |
| TT Cup | 2021/07/29 21:15 | Kostiuk, Oleksandr v Matsehora, Ihor | W | 3-1 |
| TT Cup | 2021/07/27 12:10 | Bogdan Stasiuk v Kostiuk, Oleksandr | W | 0-3 |
| TT Cup | 2021/07/27 10:25 | Kostiuk, Oleksandr v Matsehora, Ihor | W | 3-2 |