| ITF Argentina F4 MD | 2018/09/03 21:30 | Cerundolo/Riquelme Coppari v Villanueva/Villanueva | 1-6,6-1,10-5 |
| ITF Italy F22 MD | 2018/08/06 18:15 | Villanueva/Villanueva v Dambrosi/Sinner | 3-6,6-4,6-10 |
| ITF Italy F20 MD | 2018/07/25 15:10 | Olivieri/Carabelli v Villanueva/Villanueva | 7-6,6-3 |
| ITF Italy F20 MD | 2018/07/23 16:05 | Villanueva/Villanueva v Dutra Da Silva/Pereira | 2-6,6-3,11-9 |
| ITF France F12 MD | 2018/07/02 13:10 | Martinez/Paul v Villanueva/Villanueva | 6-2,6-2 |
| ITF Argentina F3 MD | 2018/05/28 19:40 | Hidalgo/Moreno v Villanueva/Villanueva | 7-6,4-6,11-9 |
| ITF Argentina F2 MD | 2018/05/21 19:20 | Arguello/Zukas v Villanueva/Villanueva | 6-3,6-4 |
| ITF Brazil F4 MD | 2018/05/17 22:00 | Villanueva/Villanueva v Pereira/Tsuchiya | 3-6,1-6 |