Stadium: C1 Regione Abruzzo Round: 44 Ground: Clay
| ITF M15 Poprad | 2021/07/08 08:00 | Filip Peliwo v Matias Soto | 6-2,6-2 |
| ITF M15 Poprad | 2021/07/06 07:55 | Jeffrey Von Der Schulenburg v Matias Soto | 3-6,6-2,4-6 |
| ITF M15 Poprad | 2021/07/05 08:00 | Matias Soto v Matej Galik | 6-3,6-2 |
| ITF M25 Wroclaw | 2021/06/27 14:00 | Lukas Palovic v Matias Soto | 7-5,7-6 |
| ITF M25 Tulsa | 2021/06/17 01:25 | Matias Soto v Tristan Schoolkate | 3-6,2-6 |
| ITF M25 Tulsa | 2021/06/15 13:55 | Evan Zhu v Matias Soto | 4-6,6-4,14-16 |
| ITF M25 Wichita | 2021/06/11 16:35 | Govind Nanda v Matias Soto | 6-1,6-1 |
| ITF M25 Wichita | 2021/06/10 14:45 | Nicolas Acevedo v Matias Soto | 6-4,6-7,4-6 |
| ITF M25 Casinalbo | 2021/07/04 14:10 | Pascal Meis v Marco Migliorati | 6-3,6-3 |