| 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 | 2021/06/15 18:40 | Vasiliy Kushnyr v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2021/06/15 18:05 | Nazar Kovalchuk v Nazar Danilyuk | W | 3-1 |
| TT Cup Ukraine | 2021/06/15 16:55 | Anton Molochko v Nazar Kovalchuk | W | 0-3 |
| TT Cup Ukraine | 2021/06/15 15:10 | Vasily Verbyany v Nazar Kovalchuk | L | 3-2 |
| TT Cup Ukraine | 2021/06/15 13:25 | Vasiliy Kushnyr v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2021/06/14 18:40 | Nazar Kovalchuk v Vasiliy Kushnyr | L | 0-3 |
| TT Cup Ukraine | 2021/06/14 17:30 | Vasiliy Kushnyr v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/06/14 16:55 | Nazar Kovalchuk v Vasily Verbyany | L | 1-3 |
| TT Cup Ukraine | 2021/06/16 17:05 | Denis Vakulenko v Vitalii Vovk | L | 0-3 |
| TT Cup (2021) | 2021/06/16 16:35 | Denis Vakulenko v Vitalii Vovk | L | 0-3 |
| TT Cup Ukraine | 2021/06/16 15:20 | Andrii Baklykov v Denis Vakulenko | W | 2-3 |
| TT Cup Ukraine | 2021/06/16 14:50 | Denis Vakulenko v Vitalii Vovk | W | 3-2 |
| TT Cup Ukraine | 2021/06/16 14:15 | Anton Riabukhin v Denis Vakulenko | L | 3-1 |
| TT Cup Ukraine | 2021/06/16 13:40 | Denis Vakulenko v David Simonchuk | W | 3-2 |
| TT Cup Ukraine | 2021/06/12 18:45 | Levko Kuzyo v Denis Vakulenko | L | 3-0 |
| TT Cup Ukraine | 2021/06/12 17:35 | Serhii Baranovskyi v Denis Vakulenko | W | 2-3 |