Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M15 - Sharm El Sheikh | 2021/10/24 09:30 | Laelson Rodrigues v Stylianos Christodoulou | 3-6,3-6 |
| ITF M15 - Doha | 2021/10/12 12:30 | Boris Butulija v Stylianos Christodoulou | 6-1,7-6 |
| ITF M15 - Doha - Kval | 2021/10/10 12:55 | Sultan K. Al Alawi v Stylianos Christodoulou | 6-3,5-7,1-10 |
| ITF M15 - Sharm El Sheikh | 2021/10/24 12:00 | Oleksiy Kalynyuk v Matias Riva | 2-6,3-6 |
| ITF M15 - Sharm El Sheikh | 2021/10/18 10:30 | Matias Riva v Carlos Divar | 2-6,3-6 |
| ITF M15 - Sharm El Sheikh | 2021/10/17 14:00 | Matias Riva v Ha Minh Duc Vu | 4-6,7-6,10-5 |
| ITF M15 - Sharm El Sheikh | 2021/10/11 07:30 | Palaphoom Kovapitukted v Matias Riva | 7-6,6-0 |
| ITF M15 - Sharm El Sheikh | 2021/10/10 07:00 | Matias Riva v Astur Martinez Irigoyen | 4-6,6-4,10-8 |
| ITF M15 - Sharm El Sheikh | 2021/10/04 09:00 | Volodymyr Uzhylovskyi v Matias Riva | 6-1,6-3 |
| ITF M15 - Córdoba | 2021/04/04 14:30 | Benjamin Denis Alarcon v Matias Riva | 3-6,6-4,10-3 |
| ITF M15 - Villa Maria | 2021/03/28 12:00 | Matias Riva v Felipe Derdoy | 1-6,3-6 |