| TT Cup Ukraine | 2021/05/16 14:00 | Roman Demchuk v Ihor Syniavskyi | W | 0-3 |
| TT Cup Ukraine | 2021/05/01 17:30 | Ihor Syniavskyi v Roman Demchuk | W | 3-0 |
| TT Cup Ukraine | 2021/04/04 06:25 | Roman Demchuk v Ihor Syniavskyi | W | 0-3 |
| TT Cup Ukraine | 2021/04/03 11:05 | Ihor Syniavskyi v Roman Demchuk | W | 3-0 |
| TT Cup Ukraine | 2021/03/03 20:15 | Ihor Syniavskyi v Roman Demchuk | W | 3-0 |
| TT Cup Ukraine | 2021/03/03 17:55 | Roman Demchuk v Ihor Syniavskyi | W | 0-3 |
| TT Cup (2021) | 2021/02/13 12:40 | Ihor Syniavskyi v Roman Demchuk | W | 3-0 |
| TT Cup (2021) | 2021/02/13 09:10 | Ihor Syniavskyi v Roman Demchuk | W | 3-1 |
| TT Cup Ukraine | 2021/07/11 05:50 | Ihor Syniavskyi v Vasyl Pleshkan | W | 3-0 |
| TT Cup Ukraine | 2021/07/04 10:30 | Yurii Parahailo v Ihor Syniavskyi | L | 3-0 |
| TT Cup Ukraine | 2021/07/04 09:55 | Ihor Syniavskyi v Dmytro Kalyniuk | L | 2-3 |
| TT Cup Ukraine | 2021/07/04 07:35 | Ihor Syniavskyi v Vladyslav Van | L | 2-3 |
| TT Cup Ukraine | 2021/07/04 05:50 | Ihor Syniavskyi v Oleg Savenkov | W | 3-1 |
| TT Cup Ukraine | 2021/07/03 11:05 | Ihor Syniavskyi v Yurii Parahailo | L | 1-3 |
| TT Cup Ukraine | 2021/07/03 09:55 | Dmytro Kalyniuk v Ihor Syniavskyi | L | 3-1 |
| TT Cup Ukraine | 2021/07/03 08:10 | Oleg Savenkov v Ihor Syniavskyi | L | 3-1 |
| TT Cup Ukraine | 2021/07/11 06:25 | Roman Demchuk v Mykhailo Vivatenko | L | 2-3 |
| TT Cup Ukraine | 2021/06/27 19:15 | Roman Demchuk v Mykhailo Vivatenko | W | 3-1 |
| TT Cup Ukraine | 2021/06/27 16:20 | Mykhailo Vivatenko v Roman Demchuk | W | 2-3 |
| TT Cup Ukraine | 2021/06/27 15:45 | Roman Demchuk v Ruslan Andrischak | W | 3-1 |
| TT Cup Ukraine | 2021/06/27 14:35 | Ruslan Kovalchuk v Roman Demchuk | L | 3-2 |
| 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 |