Stadium: COURT 1 Round: 54 Ground: Hardcourt indoor
| 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 Telavi | 2021/08/02 06:00 | Asaf Friedler v Sergey Bolotov | 2-6,2-6 |
| ITF - M15 Telavi | 2021/08/01 06:00 | Shahar Gabay v Sergey Bolotov | 0-6,3-6 |
| ITF - M15 Kazan | 2021/10/11 10:40 | Dmitrii Vasilev v Danil Spasibo | 3-6,4-6 |
| ITF - M15 Telavi | 2021/08/03 06:05 | Zura Tkemaladze v Danil Spasibo | 6-2,6-4 |
| ITF - M15 Telavi | 2021/08/02 10:00 | Aliaksandr Liaonenka v Danil Spasibo | 6-7,4-6 |
| ITF - M15 Telavi | 2021/08/02 06:00 | Roman Nashatyrkin v Danil Spasibo | 2-6,1-6 |
| ITF - M15 Telavi | 2021/08/01 06:00 | Omer Yeshaya v Danil Spasibo | 4-6,3-6 |
| ITF - M25 Telavi | 2021/07/30 08:00 | Aleksandre Bakshi v Danil Spasibo | 6-3,6-4 |
| ITF - M25 Telavi | 2021/07/27 06:35 | Danil Spasibo v Asaf Friedler | 6-2,6-3 |
| ITF - M25 Telavi | 2021/07/26 14:30 | Danil Spasibo v Danial Rakhmatullayev | 6-3,5-7,10-1 |