Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M15 Kazan | 2022/01/18 08:30 | Nikita Volonski v Egor Khotchenkov | 7-5,6-1 |
| ITF - M15 Monastir | 2021/11/22 08:00 | Nikita Volonski v Mattias Southcombe | 1-6,6-3,7-10 |
| ITF - M15 Monastir | 2021/11/21 09:00 | Nikita Volonski v Adrian Arcon | 6-2,6-2 |
| ITF - M15 Monastir | 2021/11/15 13:00 | Nikita Volonski v Bojarski, Alan | 6-1,5-7,7-10 |
| ITF - M15 Monastir | 2021/11/15 08:00 | Nikita Volonski v Ramiaramanan, Lofo | 6-1,6-1 |
| ITF - M15 Monastir | 2021/11/14 11:00 | Nikita Volonski v Natthayut Nithithananont | 6-1,6-1 |
| ITF - M15 Monastir | 2021/11/04 12:30 | Christoph Negritu v Nikita Volonski | 6-2,6-2 |
| ITF - M15 Monastir | 2021/11/03 10:20 | Raman, Rishabdev v Nikita Volonski | 4-6,2-6 |
| ITF - M15 Antalya | 2021/12/07 08:30 | Bolotov, Sergey v Fields, Omar | 3-6,2-6 |
| ITF - M15 Antalya | 2021/12/05 06:00 | Bolotov, Sergey v Amirhosein Kepadkho | 6-1,6-1 |
| ITF M15 Kazan | 2021/11/24 10:40 | Bolotov, Sergey v Danilov, Savriyan | 2-6,2-6 |
| ITF M15 Kazan | 2021/10/12 09:05 | Bolotov, Sergey v Spasibo, Danil | 1-6,0-6 |
| ITF M15 Kazan | 2021/10/11 09:35 | Bolotov, Sergey v Lutkovskii, Sviatoslav | 6-3,6-1 |
| ITF - M15 Monastir | 2021/09/05 08:00 | Hiramatsu, Shinnosuke v Bolotov, Sergey | 6-4,3-6,10-7 |
| ITF - M15 Monastir | 2021/08/31 08:00 | Tomohiro Masabayashi v Bolotov, Sergey | 6-4,6-3 |
| ITF - M15 Monastir | 2021/08/30 14:00 | Bolotov, Sergey v Dylan Salton | 7-5,2-6,10-7 |