Stadium: Court 6 Round: 29 Ground: Hardcourt indoor
| ITF M15 Kazan | 2021/03/13 08:00 | Alexey Zakharov v Alibek Kachmazov | 7-5,6-3 |
| ITF M15 Kazan | 2021/03/12 09:05 | Alexey Zakharov v Alexandr Binda | 6-2,7-6 |
| 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 Kazan | 2021/03/13 11:30 | Yanki Erel v Evgeny Philippov | 6-1,6-2 |
| ITF M15 Kazan | 2021/03/12 07:00 | Yanki Erel v Sanjar Fayziev | 6-3,3-6,6-3 |
| ITF M15 Kazan | 2021/03/11 08:00 | Sergey Bolotov v Yanki Erel | 2-6,2-6 |
| ITF M15 Kazan | 2021/03/10 15:10 | Yanki Erel v Alexander Cozbinov | 6-3,6-4 |
| ITF M15 Antalya | 2021/02/25 07:00 | Yshai Oliel v Yanki Erel | 7-5,3-6,6-2 |
| ITF M15 Antalya | 2021/02/23 09:00 | Yanki Erel v Georgii Kravchenko | 7-6,6-2 |
| ITF M15 Antalya | 2021/02/17 08:40 | Yanki Erel v Georgii Kravchenko | 4-6,6-0,2-6 |
| Challenger Antalya Qual | 2021/01/31 07:00 | Yanki Erel v Facundo Mena | 5-7,6-3,6-7 |