Stadium: Court 6 Round: 28 Ground: Hardcourt indoor
| ITF M15 St Petersburg | 2021/04/09 09:40 | Aristarkh Safonov v Jan Satral | 4-6,2-6 |
| ITF M15 St Petersburg | 2021/04/08 09:00 | Daniil Glinka v Jan Satral | 4-6,3-6 |
| ITF M15 St Petersburg | 2021/04/06 10:00 | Alexandr Binda v Jan Satral | 2-6,1-6 |
| ITF M15 Bratislava | 2021/03/11 12:10 | Jan Satral v Jurgen Briand | 6-7,6-4,2-6 |
| ITF M15 Bratislava | 2021/03/10 12:05 | Jan Satral v Lenny Hampel | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2021/02/14 07:30 | Jan Satral v Marek Gengel | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/13 07:30 | Nicolas Moreno De Alboran v Jan Satral | 3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/02/12 07:30 | Jan Satral v Petros Chrysochos | 6-4,6-2 |
| ITF M15 St Petersburg | 2021/04/09 10:50 | Illya Beloborodko v Yanki Erel | 7-6,2-6,6-3 |
| ITF M15 St Petersburg | 2021/04/07 09:55 | Illya Beloborodko v Constantin Bittoun Kouzmine | 6-3,6-1 |
| 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 |