| Ucraina - TT Cup | 2021/04/03 19:20 | Valentin Zaychenko v Andrei Kostiuk | L | 0-3 |
| Ucraina - TT Cup | 2021/04/03 13:30 | Andrei Kostiuk v Valentin Zaychenko | W | 2-3 |
| Ucraina - TT Cup | 2021/03/18 18:35 | Valentin Zaychenko v Andrei Kostiuk | L | 1-3 |
| Ucraina - TT Cup | 2021/03/17 15:05 | Valentin Zaychenko v Andrei Kostiuk | L | 2-3 |
| Ucraina - TT Cup | 2021/03/09 15:40 | Andrei Kostiuk v Valentin Zaychenko | L | 3-2 |
| Ucraina - TT Cup | 2021/03/08 14:30 | Andrei Kostiuk v Valentin Zaychenko | L | 3-1 |
| Ucraina - TT Cup | 2021/06/18 14:05 | Valentin Zaychenko v Roman Reznichenko | L | 0-3 |
| Ucraina - Win Cup | 2021/06/13 09:30 | Kostiantyn Moroz v Valentin Zaychenko | L | 3-2 |
| Ucraina - Win Cup | 2021/06/13 08:30 | Oleksandr Naida v Valentin Zaychenko | L | 3-2 |
| Ucraina - Win Cup | 2021/06/13 07:00 | Rodion Pirveli v Valentin Zaychenko | L | 3-1 |
| Ucraina - Win Cup | 2021/06/13 06:30 | Valentin Zaychenko v Kostiantyn Moroz | L | 1-3 |
| Ucraina - Win Cup | 2021/06/13 05:30 | Valentin Zaychenko v Oleksandr Naida | W | 3-2 |
| Ucraina - Win Cup | 2021/06/13 05:00 | Valentin Zaychenko v Rodion Pirveli | L | 2-3 |
| Ucraina - TT Cup | 2021/06/05 12:20 | Vadym Grushko v Valentin Zaychenko | L | 3-2 |
| Ucraina - TT Cup | 2021/06/18 13:30 | Oleksandr Naida v Andrei Kostiuk | W | 2-3 |
| Ucraina - TT Cup | 2021/06/18 12:55 | Andrei Kostiuk v Roman Reznichenko | L | 2-3 |
| Ucraina - TT Cup | 2021/06/12 11:45 | Andrei Kostiuk v Dmytro Alekseenko | L | 1-3 |
| Ucraina - TT Cup | 2021/06/12 10:35 | Andrei Kostiuk v Dmytro Alekseenko | W | 3-0 |
| Ucraina - TT Cup | 2021/06/12 09:25 | Andrei Kostiuk v Vadym Grushko | L | 2-3 |
| Ucraina - TT Cup | 2021/06/12 08:15 | Andrei Kostiuk v Eduard Rubtsov | L | 2-3 |
| Ucraina - TT Cup | 2021/06/12 07:05 | Andrei Kostiuk v Rodion Pirveli | L | 2-3 |
| Ucraina - TT Cup | 2021/06/11 11:10 | Andrei Kostiuk v Vadym Grushko | L | 0-3 |