Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Monastir | 2021/07/12 08:00 | Abdulhamid Mubarak v Sergey Bolotov | 6-4,6-7,11-9 |
| ITF M15 Monastir | 2021/07/11 08:00 | Zakai Stone v Sergey Bolotov | 3-6,4-6 |
| ITF M15 Monastir | 2021/07/04 08:00 | Yunseok Jang v Sergey Bolotov | 6-3,6-0 |
| ITF M15 Monastir | 2021/06/27 09:30 | Sergey Bolotov v Valentin Vacherot | 0-6,1-6 |
| ITF M15 St Petersburg Qual | 2021/04/11 08:40 | Sergey Bolotov v Martin Borisiouk | 5-7,2-6 |
| ITF M15 Kazan | 2021/03/11 08:00 | Sergey Bolotov v Yanki Erel | 2-6,2-6 |
| ITF M15 Kazan | 2021/03/10 07:00 | Savriyan Danilov v Sergey Bolotov | 6-7,2-6 |
| ITF M15 Kazan | 2020/03/11 08:40 | Alexander Stepin v Sergey Bolotov | 6-4,6-4 |