Stadium: Court 8 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Jerusalem | 2021/05/10 07:00 | Alexandros Skorilas v Grigory Kuklin | 6-3,6-3 |
| ITF M15 Jerusalem | 2021/05/09 07:00 | Jonathan Baron v Grigory Kuklin | 3-6,6-7 |
| ITF M15 Torello | 2020/12/06 11:30 | Jorge Plans v Grigory Kuklin | 6-2,6-4 |
| ITF M15 Kazan | 2020/03/09 07:00 | Grigory Kuklin v Aliaksandr Prudnikau | 6-1,4-6,8-10 |
| ITF M15 Kazan | 2020/01/20 11:50 | Martin Borisiouk v Grigory Kuklin | 6-0,6-2 |
| ITF Spain F29 | 2018/09/22 11:00 | Grigory Kuklin v Daniel Echeverry | 0-6,2-6 |
| ITF Russia F8 Qual | 2018/08/25 07:00 | Vladislav Dubinsky v Grigory Kuklin | 6-4,6-4 |
| ITF Russia F6 | 2018/08/11 10:00 | Grigory Kuklin v Maksim Malyshev | 6-3,4-6,0-6 |
| Challenger Almaty Qual | 2021/06/13 08:00 | Filip Cristian Jianu v Danil Ozernoy | 6-2,6-1 |
| ITF M15 Shymkent | 2021/06/02 10:10 | Danil Ozernoy v Alexander Shevchenko | 2-6,2-6 |
| ITF M15 Shymkent | 2021/05/26 04:00 | Pavel Verbin v Danil Ozernoy | 7-6,4-6,7-5 |
| ITF M15 Shymkent | 2021/04/12 06:40 | Piotr Pawlak v Danil Ozernoy | 6-1,7-6 |
| ITF M15 Shymkent | 2021/04/07 07:25 | Bulat Galiev v Danil Ozernoy | 6-4,6-1 |
| ITF M15 Shymkent | 2021/04/06 07:40 | Kirill Kolganov v Danil Ozernoy | 6-7,2-6 |
| ITF M15 Shymkent | 2021/04/05 07:00 | Alexander Chernomaz v Danil Ozernoy | 4-6,4-6 |
| Challenger Nur-Sultan Qual | 2021/02/28 07:25 | Tung-Lin Wu v Danil Ozernoy | 6-1,6-0 |