Stadium: Court 6 Round: 27 Ground: Hardcourt indoor
| ITF M15 Kazan | 2021/03/11 08:00 | Alexey Zakharov v Yaraslav Shyla | 6-3,6-2 |
| ITF M15 Kazan | 2021/03/09 12:15 | Alexey Zakharov v Igor Kudriashov | 4-6,6-2,6-3 |
| Challenger St. Petersburg | 2021/02/28 09:20 | Alessandro Bega v Alexey Zakharov | 6-4,6-2 |
| Challenger Nur-Sultan | 2021/02/22 04:00 | Pavel Kotov v Alexey Zakharov | 7-5,1-6,6-3 |
| Challenger Nur-Sultan | 2021/02/21 07:05 | Grigoriy Lomakin v Alexey Zakharov | 2-6,3-6 |
| ITF M15 St Petersburg | 2021/02/10 07:00 | Matic Spec v Alexey Zakharov | 4-6,6-1,6-3 |
| ITF M15 St Petersburg | 2021/02/07 08:00 | Alexey Zakharov v Alibek Kachmazov | 4-6,7-5,4-6 |
| ITF M15 St Petersburg | 2021/02/06 08:00 | Jan Choinski v Alexey Zakharov | 6-7,1-6 |
| ITF M15 Kazan | 2021/03/11 08:00 | Alexandr Binda v Maxim Ratniuk | 4-6,6-3,6-4 |
| ITF M15 Kazan | 2021/03/10 14:55 | Alexandr Binda v Mikhail Fufygin | 5-7,6-3,6-3 |
| ITF M15 St Petersburg | 2021/02/08 07:00 | Andrea Guerrieri v Alexandr Binda | 6-0,7-6 |
| ITF M15 St Petersburg Qual | 2021/02/07 07:00 | Maxim Krapivin v Alexandr Binda | 3-6,2-6 |
| ITF M15 St Petersburg | 2021/02/01 08:00 | Petr Bar Biryukov v Alexandr Binda | 6-4,3-6,10-3 |
| ITF M15 St Petersburg | 2021/01/31 07:50 | Vladislav Ivanov v Alexandr Binda | 6-4,3-6,8-10 |
| ITF M15 Antalya | 2021/01/17 09:00 | Admir Kalender v Alexandr Binda | 5-7,7-5,11-9 |
| ITF M15 Antalya | 2021/01/14 08:30 | Alexandr Binda v Alexander Shevchenko | 1-6,4-6 |