Stadium: Court 4 Round: 27 Ground: Clay
| ITF M15 Novomoskovsk | 2021/06/04 07:00 | Matias Zukas v Oleksandr Ovcharenko | 6-3,6-1 |
| ITF M15 Novomoskovsk | 2021/06/03 17:50 | Matias Zukas v Marco Miceli | 4-6,6-3,10-2 |
| ITF M15 Sibenik | 2021/05/19 10:30 | Matias Zukas v Nikita Mashtakov | 2-6,3-6 |
| ITF M15 Cordoba | 2021/04/07 16:30 | Matias Zukas v Franco Roncadelli | 6-3,7-5 |
| ITF M15 Antalya | 2021/03/11 07:00 | Matias Zukas v Nicolae Frunza | 6-7,5-7 |
| ITF M15 Antalya | 2021/03/10 11:55 | Matias Zukas v Baran Cengiz | 6-3,6-1 |
| ITF M15 Antalya | 2021/03/04 07:00 | Joao Lucas Reis da Silva v Matias Zukas | 5-7,6-4,7-6 |
| ITF M15 Antalya | 2021/03/03 07:00 | Andrea Picchione v Matias Zukas | 6-1,3-6,3-6 |
| ITF M15 Novomoskovsk | 2021/06/03 18:30 | Nikita Mashtakov v Martins Podzus | 4-6,1-6 |
| ITF M15 Novomoskovsk | 2021/05/26 06:15 | Nikita Mashtakov v Martins Podzus | 5-7,6-3,6-4 |
| 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 |