| TT Cup | 2020/11/10 12:00 | Stelmashchuk, Stanislav v Kostiuk, Oleksandr | L | 1-3 |
| TT Cup | 2020/10/24 15:05 | Stelmashchuk, Stanislav v Kostiuk, Oleksandr | L | 1-3 |
| TT Cup | 2020/10/19 23:45 | Kostiuk, Oleksandr v Stelmashchuk, Stanislav | W | 0-3 |
| TT Cup | 2020/07/23 20:45 | Stelmashchuk, Stanislav v Kostiuk, Oleksandr | L | 1-3 |
| TT Cup | 2020/07/14 21:45 | Kostiuk, Oleksandr v Stelmashchuk, Stanislav | W | 0-3 |
| TT Cup | 2020/07/08 07:30 | Stelmashchuk, Stanislav v Kostiuk, Oleksandr | L | 2-3 |
| TT Cup | 2020/07/07 11:00 | Stelmashchuk, Stanislav v Kostiuk, Oleksandr | L | 0-3 |
| TT Cup | 2020/07/04 11:35 | Kostiuk, Oleksandr v Stelmashchuk, Stanislav | L | 3-1 |
| TT Cup | 2020/11/29 16:05 | Tuchkevych, Volodymyr v Stelmashchuk, Stanislav | L | 3-1 |
| TT Cup | 2020/11/29 14:55 | Stelmashchuk, Stanislav v Tovkach, Mykola | L | 1-3 |
| TT Cup | 2020/11/23 13:10 | Stelmashchuk, Stanislav v Tovkach, Mykola | W | 3-2 |
| TT Cup | 2020/11/23 12:00 | Stelmashchuk, Stanislav v Tuchkevych, Volodymyr | L | 1-3 |
| TT Cup | 2020/11/23 10:50 | Tovkach, Mykola v Stelmashchuk, Stanislav | W | 1-3 |
| TT Cup | 2020/11/23 09:05 | Aleksey Glazkov v Stelmashchuk, Stanislav | W | 0-3 |
| TT Cup | 2020/11/23 07:20 | Melkumyan, Samvel v Stelmashchuk, Stanislav | W | 1-3 |
| TT Cup | 2020/11/21 19:40 | Tovkach, Mykola v Stelmashchuk, Stanislav | W | 1-3 |
| TT Cup | 2020/11/29 15:30 | Melkumyan, Samvel v Kostiuk, Oleksandr | L | 3-0 |
| TT Cup | 2020/11/29 15:30 | Tuchkevych, Volodymyr v Kostiuk, Oleksandr | W | 0-3 |
| TT Cup | 2020/11/29 14:20 | Tuchkevych, Volodymyr v Kostiuk, Oleksandr | W | 0-3 |
| TT Cup | 2020/11/27 03:15 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | W | 1-3 |
| TT Cup | 2020/11/27 00:45 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2020/11/27 00:15 | Kostiuk, Oleksandr v Matsehora, Ihor | W | 3-0 |
| TT Cup | 2020/11/26 23:15 | Melkumyan, Samvel v Kostiuk, Oleksandr | W | 1-3 |
| TT Cup | 2020/11/26 22:15 | Kostiuk, Oleksandr v Gilitukha, S. | W | 3-2 |