| TT Cup Ukraine | 2020/10/24 15:05 | Stanislav Stelmashchuk v Oleksandr Kostiuk | L | 1-3 |
| TT Cup (2020) | 2020/10/19 23:45 | Oleksandr Kostiuk v Stanislav Stelmashchuk | W | 0-3 |
| TT Cup Ukraine | 2020/07/23 20:45 | Stanislav Stelmashchuk v Oleksandr Kostiuk | L | 1-3 |
| TT Cup Ukraine | 2020/07/14 21:45 | Oleksandr Kostiuk v Stanislav Stelmashchuk | W | 0-3 |
| TT Cup Ukraine | 2020/07/08 07:30 | Stanislav Stelmashchuk v Oleksandr Kostiuk | L | 2-3 |
| TT Cup Ukraine | 2020/07/07 11:00 | Stanislav Stelmashchuk v Oleksandr Kostiuk | L | 0-3 |
| TT Cup (2020) | 2020/07/04 11:35 | Oleksandr Kostiuk v Stanislav Stelmashchuk | L | 3-1 |
| TT Cup Ukraine | 2020/07/04 11:00 | Oleksandr Kostiuk v Stanislav Stelmashchuk | L | 3-1 |
| TT Cup Ukraine | 2020/11/10 10:50 | Samvel Melkumian v Stanislav Stelmashchuk | W | 2-3 |
| TT Cup Ukraine | 2020/11/10 09:05 | Volodymyr Tuchkevych v Stanislav Stelmashchuk | L | 3-2 |
| TT Cup Ukraine | 2020/11/10 07:20 | Bohdan Zdrobylko v Stanislav Stelmashchuk | W | 0-3 |
| TT Cup Ukraine | 2020/11/04 03:05 | Stanislav Stelmashchuk v Kyrylo Yehorov | L | 0-3 |
| TT Cup Ukraine | 2020/11/04 02:05 | Stanislav Stelmashchuk v Ivan Synytskyi | L | 0-3 |
| TT Cup Ukraine | 2020/11/04 01:35 | Stanislav Stelmashchuk v Sergey Kinash | W | 3-1 |
| TT Cup Ukraine | 2020/11/04 00:05 | Stanislav Stelmashchuk v Kyrylo Yehorov | L | 1-3 |
| TT Cup Ukraine | 2020/11/03 23:05 | Stanislav Stelmashchuk v Ivan Synytskyi | W | 3-1 |
| TT Cup Ukraine | 2020/11/10 09:40 | Bohdan Zdrobylko v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2020/11/10 07:55 | Volodymyr Tuchkevych v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2020/11/10 06:45 | Samvel Melkumian v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2020/11/04 20:05 | Aleksandr Kuharchuk v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2020/11/04 17:50 | Ruslan Novak v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2020/11/04 17:15 | Oleksandr Kostiuk v Mykola Tovkach | W | 3-2 |
| TT Cup Ukraine | 2020/11/04 16:05 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2020/11/04 14:55 | Oleksandr Kostiuk v Aleksandr Kuharchuk | W | 3-1 |