| TT Cup Ukraine | 2021/05/16 15:10 | Roman Demchuk v Ruslan Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/05/01 15:45 | Ruslan Kovalchuk v Roman Demchuk | L | 0-3 |
| TT Cup (2021) | 2021/04/17 11:40 | Ruslan Kovalchuk v Roman Demchuk | W | 3-2 |
| TT Cup (2021) | 2021/04/17 09:20 | Roman Demchuk v Ruslan Kovalchuk | W | 0-3 |
| TT Cup Ukraine | 2021/06/27 12:50 | Ruslan Kovalchuk v Ruslan Andrischak | W | 3-0 |
| TT Cup Ukraine | 2021/06/08 19:00 | Ruslan Kovalchuk v Anatolii Hritchenko | W | 3-2 |
| TT Cup Ukraine | 2021/06/08 17:15 | Andrii Karpenko v Ruslan Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/06/08 16:40 | Ruslan Kovalchuk v Anatolii Hritchenko | W | 3-0 |
| TT Cup Ukraine | 2021/06/08 14:20 | Ruslan Kovalchuk v Oleg Mikluha | W | 3-0 |
| TT Cup Ukraine | 2021/06/08 12:35 | Ruslan Kovalchuk v Mykhailo Marchuk | W | 3-0 |
| TT Cup Ukraine | 2021/06/07 19:00 | Mykhailo Marchuk v Ruslan Kovalchuk | W | 0-3 |
| TT Cup Ukraine | 2021/06/07 17:50 | Anatolii Hritchenko v Ruslan Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/06/27 13:25 | Roman Demchuk v Vasyl Ludchak | W | 3-1 |
| TT Cup (2021) | 2021/05/30 09:20 | Vasyl Pleshkan v Roman Demchuk | W | 0-3 |
| TT Cup (2021) | 2021/05/30 08:45 | Roman Demchuk v Ruslan Andrischak | L | 2-3 |
| TT Cup (2021) | 2021/05/30 07:35 | Grigoriy Oliynik v Roman Demchuk | L | 3-0 |
| TT Cup (2021) | 2021/05/30 06:25 | Roman Demchuk v Oleksii Romaniv | L | 2-3 |
| TT Cup Ukraine | 2021/05/16 18:40 | Ruslan Andrischak v Roman Demchuk | L | 3-0 |
| TT Cup Ukraine | 2021/05/16 17:30 | Roman Demchuk v Vitalii Hryniuk | L | 2-3 |
| TT Cup Ukraine | 2021/05/16 16:20 | Roman Demchuk v Ruslan Andrischak | W | 3-1 |