Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M15 St Petersburg | 2021/04/04 11:00 | Alexander Vasilenko v Gurevich, Victor | 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 Spec, Matic | 6-2,1-6,6-3 |
| ITF M15 St Petersburg | 2021/02/11 09:50 | Alexander Vasilenko v Ivanov, Vladimir | 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 Ivanov, Vladislav | 6-4,6-2 |
| ITF M15 St Petersburg Qual | 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 Kravchuk, Konstantin | 4-6,4-6 |
| ITF M15 St Petersburg | 2021/04/04 07:00 | Shchaya-Zubrov, Pavel 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 | Ozolins, Karlis 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 | Troche, Emiliano v Illya Beloborodko | 1-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/14 08:00 | Guberman, Yaron 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 Eremin, Edoardo | 4-6,6-2,6-2 |