Stadium: Court 6 Round: 26 Ground: Hardcourt indoor
| ITF - M15 Kazaň | 2021/10/13 13:25 | Sergey Fomin v Konstantin Zhzhenov | 7-5,6-4 |
| ITF - M25 Falun | 2021/09/27 12:00 | Sergey Fomin v Vasil Kirkov | 3-6,2-6 |
| ITF - M25 Jonkoping | 2021/09/21 10:45 | Renta Tokuda v Sergey Fomin | 6-4,6-4 |
| Challenger - Nur-Sultan | 2021/07/11 08:45 | Andrey Kuznetsov v Sergey Fomin | 6-3,6-1 |
| ITF - M25 Nur-Sultan | 2021/07/07 04:00 | Beibit Zhukayev v Sergey Fomin | 7-6,7-6 |
| ITF - M15 Šymkent | 2021/05/27 05:00 | Alexander Shevchenko v Sergey Fomin | 6-2,6-1 |
| ITF - M15 Šymkent | 2021/05/26 04:00 | Sergey Fomin v Bulat Galiev | 6-4,7-6 |
| ITF - M15 - Antalya | 2021/05/11 08:25 | Mick Veldheer v Sergey Fomin | 6-7,6-2,6-1 |
| ITF - M15 Kazaň | 2021/10/13 15:15 | Igor Kudriashov v Egor Agafonov | 6-7,7-6,4-6 |
| ITF - M15 Zlatibor | 2021/09/14 09:45 | Egor Agafonov v Dominik Palan | 3-6,1-6 |
| ITF - M15 Ulčinj | 2021/09/08 12:40 | Egor Agafonov v Alejo Lorenzo Lingua Lavallen | 6-7,6-4,0-6 |
| UTR - Pro Tennis Series - Portorož | 2021/08/29 09:30 | Robert Rumler v Egor Agafonov | 7-6,6-1 |
| UTR - Pro Tennis Series - Portorož | 2021/08/28 11:00 | Egor Agafonov v Egor Novikov | 6-4,7-5 |
| UTR - Pro Tennis Series - Portorož | 2021/08/27 13:30 | Egor Agafonov v Dusan Trunic | 6-1,7-5 |
| UTR - Pro Tennis Series - Portorož | 2021/08/26 08:30 | Egor Agafonov v George Botezan | 5-7,1-6 |
| UTR - Pro Tennis Series - Portorož | 2021/08/24 11:30 | Oleksandr Bielinskyi v Egor Agafonov | 6-4,7-5 |