| TT Cup Ukraine | 2020/07/23 20:45 | Stanislav Stelmashchuk v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2020/07/14 21:45 | Oleksandr Kostiuk v Stanislav Stelmashchuk | L | 0-3 |
| TT Cup Ukraine | 2020/07/08 07:30 | Stanislav Stelmashchuk v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2020/07/07 11:00 | Stanislav Stelmashchuk v Oleksandr Kostiuk | W | 0-3 |
| TT Cup (2020) | 2020/07/04 11:35 | Oleksandr Kostiuk v Stanislav Stelmashchuk | W | 3-1 |
| TT Cup Ukraine | 2020/07/04 11:00 | Oleksandr Kostiuk v Stanislav Stelmashchuk | W | 3-1 |
| TT Cup Ukraine | 2020/07/01 22:15 | Oleksandr Kostiuk v Stanislav Stelmashchuk | W | 3-1 |
| TT Cup Ukraine | 2020/06/20 08:35 | Stanislav Stelmashchuk v Oleksandr Kostiuk | W | 0-3 |
| TT Cup (2020) | 2020/10/19 22:45 | Oleksandr Kostiuk v Bohdan Zdrobylko | W | 3-0 |
| TT Cup (2020) | 2020/10/19 21:45 | Oleksandr Kostiuk v Bogdan Stasiuk | W | 3-2 |
| TT Cup Ukraine | 2020/10/16 01:15 | Oleksandr Kostiuk v Volodymyr Tuchkevych | W | 3-1 |
| TT Cup Ukraine | 2020/10/16 00:15 | Sergey Gilitukha v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2020/10/15 22:45 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2020/10/15 21:15 | Andrey Tsikhotskiy v Oleksandr Kostiuk | L | 3-0 |
| TT Cup (2020) | 2020/10/14 11:30 | Volodymyr Tuchkevych v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2020/10/14 09:15 | Aleksey Glazkov v Oleksandr Kostiuk | W | 1-3 |
| TT Cup (2020) | 2020/10/19 23:15 | Stanislav Stelmashchuk v Bogdan Stasiuk | L | 2-3 |
| TT Cup (2020) | 2020/10/19 22:15 | Mykola Tovkach v Stanislav Stelmashchuk | L | 3-2 |
| TT Cup (2020) | 2020/10/19 21:15 | Stanislav Stelmashchuk v Bohdan Zdrobylko | L | 1-3 |
| TT Cup Ukraine | 2020/10/14 02:05 | Stanislav Stelmashchuk v Ivan Fashchevskyi | W | 3-1 |
| TT Cup Ukraine | 2020/10/14 01:05 | Stanislav Stelmashchuk v Oleg Saenko | L | 2-3 |
| TT Cup Ukraine | 2020/10/14 00:35 | Stanislav Stelmashchuk v Stepan Nykyforuk | L | 0-3 |
| TT Cup Ukraine | 2020/10/13 23:05 | Stanislav Stelmashchuk v Ivan Fashchevskyi | W | 3-2 |
| TT Cup Ukraine | 2020/10/13 22:05 | Stanislav Stelmashchuk v Oleg Saenko | L | 2-3 |