Stadium: Court 3 Round: 25 Ground: Clay
| ITF Estonia F3 | 2018/11/07 10:55 | Martins Podzus v Nikita Mashtakov | 6-2,6-1 |
| ITF - M15 Sibenik | 2021/05/20 11:00 | Nikita Mashtakov v Tom Kocevar-Desman | 5-7,4-6 |
| ITF - M15 Sibenik | 2021/05/19 10:30 | Matias Zukas v Nikita Mashtakov | 2-6,3-6 |
| ITF - M15 Shymkent | 2021/04/16 07:30 | Andrey Chepelev v Nikita Mashtakov | 3-6,6-1,6-4 |
| ITF - M15 Shymkent | 2021/04/15 06:20 | Grigoriy Lomakin v Nikita Mashtakov | 2-6,3-6 |
| ITF - M15 Shymkent | 2021/04/14 07:30 | Alexander Chepik v Nikita Mashtakov | 7-6,3-6,4-6 |
| ITF - M15 Shymkent | 2021/04/07 10:45 | Nikita Mashtakov v Luca Tomasetto | 6-7,3-6 |
| ITF - M15 Rovinj | 2021/03/16 12:20 | Nikita Mashtakov v Antoine Cornut-Chauvinc | 4-6,6-3,1-6 |
| ITF - M15 Porec | 2021/03/10 13:30 | Nikita Mashtakov v Gergely Madarasz | 6-3,1-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/10 07:30 | Hanwen Li v Martins Podzus | 7-6,7-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/05 07:30 | Martins Podzus v Mukund Sasikumar | 3-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/04 09:00 | Martins Podzus v Alessandro Pecci | 7-6,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/03/03 07:30 | Martins Podzus v Jumpei Yamasaki | 7-5,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/28 07:30 | Martins Podzus v Paul Jubb | 2-6,6-1,2-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/27 07:30 | Robert Strombachs v Martins Podzus | 3-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/26 07:30 | Martins Podzus v Yu Hsiou Hsu | 2-6,7-6,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/25 07:30 | Martins Podzus v Edoardo Eremin | 6-4,7-6 |