| TT Cup Ukraine | 2021/03/18 18:35 | Valentin Zaychenko v Andrei Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/03/17 15:05 | Valentin Zaychenko v Andrei Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/03/09 15:40 | Andrei Kostiuk v Valentin Zaychenko | W | 3-2 |
| TT Cup Ukraine | 2021/03/08 14:30 | Andrei Kostiuk v Valentin Zaychenko | W | 3-1 |
| Ukraine Win Cup | 2021/04/02 10:30 | Andrei Kostiuk v Kyrylo Ivchenko | W | 3-1 |
| Ukraine Win Cup | 2021/04/02 09:30 | Andrei Kostiuk v Vladimir Sorokin | L | 1-3 |
| Ukraine Win Cup | 2021/04/02 08:00 | Andrei Kostiuk v Denys Ivchenko | L | 2-3 |
| Ukraine Win Cup | 2021/04/02 07:30 | Kyrylo Ivchenko v Andrei Kostiuk | W | 0-3 |
| Ukraine Win Cup | 2021/04/02 06:30 | Vladimir Sorokin v Andrei Kostiuk | W | 0-3 |
| Ukraine Win Cup | 2021/04/02 05:00 | Denys Ivchenko v Andrei Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/03/30 22:20 | Dmitriy Arzanov v Andrei Kostiuk | W | 2-3 |
| TT Cup (2021) | 2021/03/30 19:20 | Dmitriy Arzanov v Andrei Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/04/02 18:10 | Maksim Butkov v Valentin Zaychenko | L | 3-0 |
| TT Cup Ukraine | 2021/04/02 15:50 | Vadym Grushko v Valentin Zaychenko | L | 3-2 |
| TT Cup Ukraine | 2021/04/02 14:05 | Oleksandr Naida v Valentin Zaychenko | L | 3-1 |
| TT Cup Ukraine | 2021/04/02 12:55 | Roman Reznichenko v Valentin Zaychenko | W | 2-3 |
| TT Cup Ukraine | 2021/03/26 20:20 | Mikhail Presnyakov v Valentin Zaychenko | W | 1-3 |
| TT Cup Ukraine | 2021/03/26 19:10 | Valentin Zaychenko v Dmitriy Arzanov | L | 2-3 |
| TT Cup Ukraine | 2021/03/26 18:00 | Mikhail Presnyakov v Valentin Zaychenko | W | 1-3 |
| TT Cup Ukraine | 2021/03/26 16:15 | Maksim Butkov v Valentin Zaychenko | W | 0-3 |