| TT Cup Ukraine | 09/19 13:25 | - | Roman Demchuk v Ivan Syniavskyi | L | 1-3 | |
| TT Cup Ukraine | 09/12 09:20 | - | Ruslan Andrischak v Roman Demchuk | W | 1-3 | |
| TT Cup Ukraine | 09/12 08:45 | - | Roman Demchuk v Vitalii Hryniuk | L | 1-3 | |
| TT Cup Ukraine | 09/12 07:35 | - | Rostyslav Kliucuk v Roman Demchuk | L | 3-0 | |
| TT Cup Ukraine | 09/12 06:25 | - | Roman Demchuk v Artem Trofymchuk | L | 0-3 | |
| TT Cup Ukraine | 09/11 11:40 | - | Roman Demchuk v Vasyl Pleshkan | W | 3-0 | |
| TT Cup Ukraine | 09/11 11:05 | - | Rostyslav Kliucuk v Roman Demchuk | L | 3-0 | |
| TT Cup Ukraine | 09/11 08:45 | - | Vitalii Hryniuk v Roman Demchuk | W | 0-3 | |
| TT Cup Ukraine | 09/11 07:00 | - | Vasyl Pleshkan v Roman Demchuk | W | 1-3 | |
| TT Cup (2021) | 09/11 05:50 | - | Artem Trofymchuk v Roman Demchuk | L | 3-2 | |
| TT Cup Ukraine | 08/14 12:15 | - | Grigoriy Oliynik v Roman Demchuk | L | 3-0 | |
| TT Cup Ukraine | 08/14 11:40 | - | Roman Demchuk v Artur Moriak | L | 1-3 | |
| TT Cup Ukraine | 08/14 09:55 | - | Roman Demchuk v Ivan Syniavskyi | L | 1-3 | |
| TT Cup Ukraine | 08/14 07:35 | - | Artur Moriak v Roman Demchuk | L | 3-1 | |
| TT Cup Ukraine | 08/14 06:25 | - | Grigoriy Oliynik v Roman Demchuk | L | 3-2 | |
| TT Cup Ukraine | 08/14 05:50 | - | Roman Demchuk v Ivan Syniavskyi | L | 0-3 | |
| TT Cup Ukraine | 08/01 18:40 | - | Roman Demchuk v Vasyl Pleshkan | W | 3-2 | |
| TT Cup Ukraine | 08/01 17:30 | - | Artur Moriak v Roman Demchuk | L | 3-0 | |
| TT Cup Ukraine | 08/01 16:55 | - | Roman Demchuk v Vasyl Pleshkan | W | 3-1 | |
| TT Cup Ukraine | 08/01 14:35 | - | Roman Demchuk v Ivan Syniavskyi | W | 3-0 | |
| TT Cup Ukraine | 08/01 12:50 | - | Roman Demchuk v Grigoriy Oliynik | L | 0-3 | |
| TT Cup Ukraine | 07/31 18:40 | - | Roman Demchuk v Ivan Syniavskyi | L | 1-3 | |
| TT Cup Ukraine | 07/31 18:05 | - | Vasyl Pleshkan v Roman Demchuk | W | 1-3 | |
| TT Cup Ukraine | 07/31 15:45 | - | Ivan Syniavskyi v Roman Demchuk | W | 2-3 | |
| TT Cup Ukraine | 07/31 14:00 | - | Grigoriy Oliynik v Roman Demchuk | L | 3-2 | |
| TT Cup Ukraine | 07/31 12:50 | - | Ruslan Andrischak v Roman Demchuk | L | 3-2 | |
| TT Cup Ukraine | 07/24 11:40 | - | Ruslan Andrischak v Roman Demchuk | L | 3-0 | |
| TT Cup Ukraine | 07/24 09:20 | - | Artur Moriak v Roman Demchuk | L | 3-0 | |
| TT Cup Ukraine | 07/24 08:45 | - | Roman Demchuk v Ruslan Andrischak | L | 0-3 | |
| TT Cup Ukraine | 07/24 07:00 | - | Ivan Syniavskyi v Roman Demchuk | W | 2-3 |