Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/03/10 10:55 | Karlis Ozolins v Jacopo Berrettini | 1-6,4-6 |
| ITF M15 Petrohrad | 2021/02/09 11:15 | Karlis Ozolins v Konstantin Kravchuk | 4-6,3-6 |
| ITF M15 Petrohrad | 2021/02/04 07:00 | Alexey Zakharov v Karlis Ozolins | 4-6,6-2,7-6 |
| ITF M15 Petrohrad | 2021/02/02 11:30 | Karlis Ozolins v Daniil Golubev | 6-3,6-1 |
| ITF M15 Manacor | 2021/01/13 08:55 | Jules Okala v Karlis Ozolins | 3-6,6-4,6-1 |
| ITF M15 Manacor | 2021/01/09 19:35 | Evan Furness v Karlis Ozolins | 6-2,6-4 |
| ITF M15 Manacor | 2021/01/05 13:50 | Karlis Ozolins v Arthur Reymond | 6-4,6-3 |
| ITF M15 Parnu | 2020/11/05 12:00 | Karlis Ozolins v Simon Freund | 4-6,2-6 |
| 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 |
| ITF M15 Sharm El Sheikh | 2021/03/10 09:10 | Yuta Shimizu v Illya Beloborodko | 1-6,6-3,3-6 |
| ITF M15 Sharm El Sheikh | 2021/03/09 09:45 | Niklas Guttau v Illya Beloborodko | 7-5,4-6,4-10 |
| ITF M15 Sharm El Sheikh | 2021/03/08 13:00 | Tomas Papik v Illya Beloborodko | 6-7,3-6 |