| Ukraine International | 2021/09/09 15:40 | Ken Yon Ong v Kyrylo Leonov | L | 2-0 |
| Ukraine International | 2021/09/09 08:20 | Kyrylo Leonov v Rohan Gurbani | W | 2-1 |
| Ukraine International | 2021/09/08 09:20 | Kartikey Gulshan Kumar v Kyrylo Leonov | W | 0-2 |
| Latvia International | 2019/06/01 14:30 | Magnus Johannesen v Kyrylo Leonov | L | 2-1 |
| Latvia International | 2019/06/01 10:00 | Qin Zheng v Kyrylo Leonov | W | 0-2 |
| Slovenia Int. | 2019/05/16 09:00 | Kyrylo Leonov v Iikka Heino | L | 0-2 |
| Polish Open - Kvalifikation | 2019/03/28 09:30 | Milan Dratva v Kyrylo Leonov | L | 2-1 |
| Swiss Open - Kvalifikation - Damedouble | 2019/02/20 10:30 | Ditlev Jaeger Holm v Kyrylo Leonov | L | 2-0 |
| Croatia International - Kvalifikation | 2023/09/28 12:15 | Sebastian Kadlec v Kai Niederhuber | L | 0-2 |
| Slovenien - Future Series - Kvalifikation | 2023/09/07 09:20 | Sebastian Kadlec v Ivan Druzchenko | L | 0-2 |
| Lithuanian International - Kvalifikation | 2023/06/08 09:05 | Yegor Romaniuk v Sebastian Kadlec | L | 2-0 |
| Dutch International - Kvalifikation | 2023/04/13 08:50 | Marcus Viscovich v Sebastian Kadlec | L | 2-0 |
| Polish Open - Kvalifikation | 2023/03/22 09:45 | Sebastian Kadlec v Aaron Sonnenschein | L | 0-2 |
| Portugal Int. - Kvalifikation | 2023/03/08 12:10 | Sebastian Kadlec v Joonas Korhonen | L | 0-2 |
| Polish International - Kvalifikation | 2022/09/21 14:20 | Sebastian Kadlec v Kuan Lin Kuo | L | 0-2 |
| Polish International - Kvalifikation | 2022/09/21 07:40 | Sebastian Kadlec v Piotr Krajewski | W | 2-0 |