Stadium: Court 17 Round: 62 Ground: Clay
| ITF M15 Kazan | 2021/11/24 10:40 | Sergey Bolotov v Savriyan Danilov | 2-6,2-6 |
| ITF M15 Kazan | 2021/10/12 09:05 | Sergey Bolotov v Danil Spasibo | 1-6,0-6 |
| ITF M15 Kazan | 2021/10/11 09:35 | Sergey Bolotov v Sviatoslav Lutkovskii | 6-3,6-1 |
| ITF M15 Monastir | 2021/09/05 08:00 | Shinnosuke Hiramatsu v Sergey Bolotov | 6-4,3-6,10-7 |
| ITF M15 Monastir | 2021/08/31 08:00 | Tomohiro Masabayashi v Sergey Bolotov | 6-4,6-3 |
| ITF M15 Monastir | 2021/08/30 14:00 | Sergey Bolotov v Dylan Salton | 7-5,2-6,10-7 |
| ITF M15 Monastir | 2021/08/30 08:00 | Sergey Bolotov v Josh Reid | 6-2,6-0 |
| ITF M15 Telavi | 2021/08/02 10:00 | Timur Khabibulin v Sergey Bolotov | 6-2,7-5 |
| ITF M15 Antalya | 2021/11/29 10:30 | Umut Akkoyun v Amirhosein Kepadkho | 6-1,6-1 |