Stadium: Cancha 1 Round: 24 Ground: Clay
| ITF Argentina F5 | 2018/09/13 15:35 | Gonzalo Villanueva v Matos, Rafael | 6-2,6-2 |
| ITF Brazil F3 | 2018/05/08 13:00 | Gonzalo Villanueva v Matos, Rafael | 2-6,6-3,3-6 |
| ITF Brazil F2 | 2018/05/06 15:00 | Gonzalo Villanueva v Matos, Rafael | 1-6,3-6 |