| Latvia Int. | 2019/06/01 14:30 | Magnus Johannesen v Leonov, Kyrylo | L | 2-1 |
| Latvia Int. | 2019/06/01 10:00 | Qin, Z. v Leonov, Kyrylo | W | 0-2 |
| Slovenia Int. | 2019/05/16 09:00 | Leonov, Kyrylo v Heino, Iikka | L | 0-2 |
| Open de Pologne - Qualif. | 2019/03/28 09:30 | Milan Dratva v Leonov, Kyrylo | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/20 10:30 | Ditlev Jaeger Holm v Leonov, Kyrylo | L | 2-0 |
| Giraldilla Int. XD | 2018/11/02 10:25 | Dimitar Yanakiev v Leonov, Kyrylo | L | 2-0 |
| Giraldilla Int. XD | 2018/09/01 08:00 | Jan Louda v Leonov, Kyrylo | L | 2-0 |
| Giraldilla Int. XD | 2018/08/30 16:00 | Leonov, Kyrylo v Toft, Soeren | W | 2-1 |
| Vietnam Int. | 2019/04/13 06:30 | Kodai Naraoka v Kholik, Firman Abdul | L | 0-2 |
| Osaka Int. | 2019/04/04 00:40 | Kodai Naraoka v Li, S. F. | L | 1-2 |
| Jamaica Int. | 2019/03/10 22:30 | Kevin Cordon v Kodai Naraoka | W | 0-2 |
| Jamaica Int. | 2019/03/09 22:00 | Krausz, Gergely v Kodai Naraoka | W | 0-2 |
| Jamaica Int. | 2019/03/07 23:30 | Munoz, Lino v Kodai Naraoka | W | 0-2 |
| Jamaica Int. | 2019/03/07 17:00 | Angus, Joel v Kodai Naraoka | W | 0-2 |
| Giraldilla Int. XD | 2019/02/24 07:00 | Koga, Minoru v Kodai Naraoka | W | 0-2 |
| Giraldilla Int. XD | 2019/02/23 06:50 | Yan, Runze v Kodai Naraoka | W | 0-2 |