| TT Cup Ukraine | 2021/05/17 19:00 | Oleksandr Leonenko v Serhii Illiushchenko | W | 3-1 |
| TT Cup Ukraine | 2021/05/17 13:10 | Oleksandr Leonenko v Serhii Illiushchenko | W | 3-0 |
| TT Cup Ukraine | 2021/03/31 07:25 | Serhii Illiushchenko v Oleksandr Leonenko | W | 2-3 |
| TT Cup Ukraine | 2021/03/29 16:10 | Serhii Illiushchenko v Oleksandr Leonenko | L | 3-1 |
| TT Cup Ukraine | 2021/03/29 12:40 | Oleksandr Leonenko v Serhii Illiushchenko | L | 1-3 |
| TT Cup Ukraine | 2021/01/31 19:30 | Oleksandr Leonenko v Serhii Illiushchenko | W | 3-1 |
| TT Cup Ukraine | 2021/01/31 17:45 | Serhii Illiushchenko v Oleksandr Leonenko | W | 2-3 |
| TT Cup Ukraine | 2021/01/30 14:15 | Oleksandr Leonenko v Serhii Illiushchenko | L | 2-3 |
| TT Cup Ukraine | 2021/06/21 10:15 | Oleksandr Leonenko v Yurii Volkov | L | 1-3 |
| TT Cup Ukraine | 2021/06/21 09:05 | Oleksandr Leonenko v Artem Tkachenko | L | 1-3 |
| TT Cup Ukraine | 2021/06/21 07:55 | Oleksandr Leonenko v Andrii Kurtenko | L | 0-3 |
| TT Cup Ukraine | 2021/06/21 06:45 | Oleksandr Leonenko v Dmitriy Belanchik | W | 3-1 |
| TT Cup Ukraine | 2021/06/09 19:00 | Oleksandr Leonenko v Andrii Kurtenko | W | 3-2 |
| TT Cup Ukraine | 2021/06/09 17:15 | Oleksandr Leonenko v Andrii Kurtenko | W | 3-2 |
| TT Cup Ukraine | 2021/06/09 16:05 | Oleksandr Leonenko v Oleksandr Zaporozhets | W | 3-2 |
| TT Cup (2021) | 2021/06/09 16:05 | Oleksandr Leonenko v Dmitriy Zaporozhets | W | 3-2 |
| TT Cup Ukraine | 2021/06/22 05:35 | Anatolii Zapletniuk v Serhii Illiushchenko | L | 3-2 |
| TT Cup Ukraine | 2021/06/21 11:30 | Volodymyr Varchenko v Serhii Illiushchenko | W | 1-3 |
| TT Cup Ukraine | 2021/06/21 10:20 | Andrii Isaiev v Serhii Illiushchenko | W | 1-3 |
| TT Cup Ukraine | 2021/06/21 09:10 | Andrey Troyan v Serhii Illiushchenko | W | 1-3 |
| TT Cup Ukraine | 2021/06/21 07:25 | Andrii Isaiev v Serhii Illiushchenko | W | 0-3 |
| TT Cup Ukraine | 2021/06/21 06:15 | Volodymyr Varchenko v Serhii Illiushchenko | W | 0-3 |
| TT Cup Ukraine | 2021/06/21 05:40 | Serhii Illiushchenko v Andrey Troyan | L | 1-3 |
| TT Cup Ukraine | 2021/06/15 11:25 | Serhii Illiushchenko v Andrii Kurtenko | W | 3-0 |