| TT Cup Ukraine | 2021/10/17 12:20 | Denis Vakulenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/12 04:50 | Nazar Kovalchuk v Denis Vakulenko | L | 1-3 |
| TT Cup Ukraine | 2021/08/29 19:00 | Nazar Kovalchuk v Denis Vakulenko | W | 3-2 |
| TT Cup Ukraine | 2021/08/29 14:20 | Nazar Kovalchuk v Denis Vakulenko | W | 3-2 |
| TT Cup Ukraine | 2021/08/28 15:30 | Nazar Kovalchuk v Denis Vakulenko | L | 2-3 |
| 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 | 2021/10/17 13:30 | Yevhenii Kryvorotko v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2021/10/17 12:20 | Denis Vakulenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/17 10:35 | Sergey Zemyantsev v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/17 08:15 | Evgeniy Pismenniy v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/10/17 05:55 | Roman Derypaska v Nazar Kovalchuk | L | 3-1 |
| Ukraine Win Cup | 2021/10/15 18:00 | Nazar Kovalchuk v Anton Yolkin | L | 1-3 |
| Ukraine Win Cup | 2021/10/15 16:30 | Anton Popov v Nazar Kovalchuk | L | 3-2 |
| Ukraine Win Cup | 2021/10/15 16:00 | Nazar Kovalchuk v Sergey Zemyantsev | L | 2-3 |
| TT Cup Ukraine | 2021/10/17 14:05 | Evgeniy Pismenniy v Denis Vakulenko | W | 2-3 |
| TT Cup Ukraine | 2021/10/17 12:20 | Denis Vakulenko v Nazar Kovalchuk | L | 1-3 |
| TT Cup Ukraine | 2021/10/17 10:00 | Yevhenii Kryvorotko v Denis Vakulenko | W | 2-3 |
| TT Cup Ukraine | 2021/10/17 07:40 | Roman Derypaska v Denis Vakulenko | L | 3-0 |
| TT Cup Ukraine | 2021/10/17 06:30 | Sergey Zemyantsev v Denis Vakulenko | W | 2-3 |
| TT Cup Ukraine | 2021/10/15 21:10 | Denis Vakulenko v Serhii Ponomarenko | L | 1-3 |
| TT Cup Ukraine | 2021/10/15 20:35 | Denis Vakulenko v Andrii Datsenko | W | 3-0 |
| TT Cup Ukraine | 2021/10/15 20:00 | Denis Vakulenko v Vitalii Vovk | L | 0-3 |