| TT Cup Ukraine | 2021/06/08 15:25 | Nazar Kovalchuk v Denis Vakulenko | L | 1-3 |
| TT Cup Ukraine | 2021/06/08 13:40 | Nazar Kovalchuk v Denis Vakulenko | W | 3-1 |
| TT Cup Ukraine | 2021/06/07 15:55 | Denis Vakulenko v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2021/06/07 14:10 | Denis Vakulenko v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2021/05/20 15:25 | Denis Vakulenko v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/05/19 14:10 | Denis Vakulenko v Nazar Kovalchuk | L | 3-2 |
| Ukraine Win Cup | 2021/05/09 08:00 | Denis Vakulenko v Nazar Kovalchuk | W | 1-3 |
| Ukraine Win Cup | 2021/05/09 05:00 | Nazar Kovalchuk v Denis Vakulenko | L | 1-3 |
| TT Cup Ukraine | 2021/08/28 14:20 | Volodymyr Plishylo v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/08/28 13:10 | Nazar Kovalchuk v Anatolii Lievshin | L | 1-3 |
| TT Cup Ukraine | 2021/08/27 12:15 | Nazar Kovalchuk v Andrey Gordiy | L | 1-3 |
| TT Cup Ukraine | 2021/08/27 11:05 | Nazar Kovalchuk v Vasiliy Kushnyr | W | 3-1 |
| TT Cup Ukraine | 2021/08/27 10:30 | Nazar Kovalchuk v Nazar Danilyuk | W | 3-1 |
| TT Cup Ukraine | 2021/08/27 08:10 | Andrey Gordiy v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/08/27 07:00 | Nazar Danilyuk v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2021/08/27 05:50 | Vasiliy Kushnyr v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2021/08/28 13:45 | Vladislav Kalugin v Denis Vakulenko | W | 0-3 |
| TT Cup Ukraine | 2021/08/28 12:35 | Volodymyr Plishylo v Denis Vakulenko | L | 3-1 |
| TT Cup Ukraine | 2021/08/27 22:10 | Denys Shcherbak v Denis Vakulenko | W | 2-3 |
| TT Cup Ukraine | 2021/08/27 21:35 | Vitalii Vovk v Denis Vakulenko | L | 3-0 |
| TT Cup Ukraine | 2021/08/27 21:00 | Denis Vakulenko v Serhii Ponomarenko | L | 0-3 |
| TT Cup Ukraine | 2021/08/27 20:05 | Denys Shcherbak v Denis Vakulenko | L | 3-0 |
| TT Cup Ukraine | 2021/08/27 19:30 | Vitalii Vovk v Denis Vakulenko | L | 3-1 |
| TT Cup Ukraine | 2021/08/27 18:50 | Denis Vakulenko v Serhii Ponomarenko | L | 1-3 |