Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M15 St Petersburg | 2021/04/04 11:00 | Alexander Vasilenko v Victor Gurevich | 6-0,6-0 |
| ITF M15 St Petersburg | 2021/02/13 08:00 | Alexander Vasilenko v Andrey Kuznetsov | 3-6,3-6 |
| ITF M15 St Petersburg | 2021/02/12 08:30 | Alexander Vasilenko v Matic Spec | 6-2,1-6,6-3 |
| ITF M15 St Petersburg | 2021/02/11 09:50 | Alexander Vasilenko v Vladimir Ivanov | 6-2,6-0 |
| ITF M15 St Petersburg | 2021/02/09 08:30 | Bogdan Bobrov v Alexander Vasilenko | 6-4,2-6,4-6 |
| ITF M15 St Petersburg | 2021/02/08 08:30 | Alexander Vasilenko v Vladislav Ivanov | 6-4,6-2 |
| ITF M15 St Petersburg - selejtezők | 2021/02/07 15:00 | Alexander Vasilenko v Ivan Abramov | 6-1,6-0 |
| ITF M15 St Petersburg | 2021/02/04 09:35 | Alexander Vasilenko v Konstantin Kravchuk | 4-6,4-6 |
| ITF M15 St Petersburg | 2021/04/04 07:00 | Pavel Shchaya-Zubrov v Illya Beloborodko | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/03/18 07:30 | Lucas Miedler v Illya Beloborodko | 7-6,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/17 07:30 | Karlis Ozolins v Illya Beloborodko | 2-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/03/16 07:30 | Giorgio Ricca v Illya Beloborodko | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/15 07:30 | Emiliano Troche v Illya Beloborodko | 1-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/14 08:00 | Yaron Guberman v Illya Beloborodko | 0-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/03/12 07:30 | Illya Beloborodko v Hanwen Li | 4-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/03/11 09:00 | Illya Beloborodko v Edoardo Eremin | 4-6,6-2,6-2 |