| TT Cup | 2021/07/03 10:00 | Rubtsov, Eduard v Andrei Kostiuk | L | 3-0 |
| TT Cup | 2021/07/02 10:00 | Andrei Kostiuk v Rubtsov, Eduard | W | 3-2 |
| TT Cup | 2021/07/02 06:30 | Andrei Kostiuk v Rubtsov, Eduard | L | 0-3 |
| TT Cup | 2021/06/26 18:10 | Rubtsov, Eduard v Andrei Kostiuk | L | 3-1 |
| TT Cup | 2021/06/26 14:40 | Rubtsov, Eduard v Andrei Kostiuk | W | 2-3 |
| TT Cup | 2021/06/12 08:15 | Andrei Kostiuk v Rubtsov, Eduard | L | 2-3 |
| TT Cup | 2021/06/11 10:00 | Rubtsov, Eduard v Andrei Kostiuk | L | 3-0 |
| TT Cup | 2021/06/05 14:40 | Andrei Kostiuk v Rubtsov, Eduard | L | 2-3 |
| TT Cup | 2021/07/09 07:40 | Alekseenko, Dmytro v Andrei Kostiuk | L | 3-2 |
| TT Cup | 2021/07/09 06:30 | Andrei Kostiuk v Pirveli, Rodion | W | 3-2 |
| TT Cup | 2021/07/03 11:10 | Andrei Kostiuk v Reznichenko, Roman | W | 3-0 |
| TT Cup | 2021/07/03 10:00 | Rubtsov, Eduard v Andrei Kostiuk | L | 3-0 |
| TT Cup | 2021/07/03 08:15 | Pirveli, Rodion v Andrei Kostiuk | L | 3-2 |
| TT Cup | 2021/07/03 06:30 | Skachenko, Serhii v Andrei Kostiuk | L | 3-0 |
| TT Cup | 2021/07/02 12:20 | Reznichenko, Roman v Andrei Kostiuk | W | 2-3 |
| TT Cup | 2021/07/02 11:45 | Andrei Kostiuk v Skachenko, Serhii | L | 2-3 |
| TT Cup | 2021/07/09 07:05 | Gerassimenko, A. v Rubtsov, Eduard | L | 3-2 |
| TT Cup | 2021/07/09 05:55 | Alekseenko, Dmytro v Rubtsov, Eduard | W | 2-3 |
| TT Cup | 2021/07/06 11:15 | Ivanov, Ruslan v Rubtsov, Eduard | L | 3-2 |
| TT Cup | 2021/07/06 10:40 | Rubtsov, Eduard v Skachenko, Serhii | W | 3-0 |
| TT Cup | 2021/07/06 08:55 | Rubtsov, Eduard v Nemchenko, D. | W | 3-2 |
| TT Cup | 2021/07/06 07:45 | Ivanov, Ruslan v Rubtsov, Eduard | W | 1-3 |
| TT Cup | 2021/07/06 07:10 | Rubtsov, Eduard v Skachenko, Serhii | L | 0-3 |
| TT Cup | 2021/07/06 05:25 | Rubtsov, Eduard v Nemchenko, D. | L | 2-3 |