| TT Cup (2021) | 2021/10/17 15:15 | Nazar Kovalchuk v Denis Vakulenko | W | 3-0 |
| 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 | 2021/10/21 12:15 | Volodymyr Plishylo v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/21 11:05 | Nazar Kovalchuk v Vadim Tokar | W | 3-0 |
| TT Cup Ukraine | 2021/10/21 09:55 | Volodymyr Plishylo v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2021/10/21 08:10 | Andrey Gordiy v Nazar Kovalchuk | W | 0-3 |
| TT Cup Ukraine | 2021/10/21 06:25 | Maksym Mykhailovych v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2021/10/20 11:05 | Andrey Gordiy v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/20 09:55 | Volodymyr Plishylo v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2021/10/20 09:20 | Nazar Kovalchuk v Maksym Mykhailovych | W | 3-1 |
| TT Cup Ukraine | 2021/10/24 16:25 | Denis Vakulenko v Serhii Baranovskyi | L | 1-3 |
| TT Cup Ukraine | 2021/10/24 14:40 | Denis Vakulenko v Evgeniy Pismenniy | W | 3-1 |
| TT Cup Ukraine | 2021/10/24 12:55 | Denis Vakulenko v Levko Kuzyo | L | 1-3 |
| TT Cup Ukraine | 2021/10/24 11:10 | Denis Vakulenko v Yevhenii Kryvorotko | L | 2-3 |
| TT Cup Ukraine | 2021/10/24 09:25 | Denis Vakulenko v Sergey Zemyantsev | L | 2-3 |
| TT Cup Ukraine | 2021/10/24 07:40 | Denis Vakulenko v Roman Derypaska | L | 2-3 |
| TT Cup Ukraine | 2021/10/22 22:10 | Vitalii Vovk v Denis Vakulenko | L | 3-2 |
| TT Cup Ukraine | 2021/10/22 21:35 | David Simonchuk v Denis Vakulenko | W | 1-3 |