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