Stadium: Campo 3 Round: 46 Ground: Clay
| Challenger San Benedetto Qual | 2018/07/14 09:00 | Gonzalo Escobar v Gonzalo Villanueva | 6-3,3-6,0-6 |
| ITF France F12 | 2018/07/03 17:10 | Corentin Denolly v Gonzalo Villanueva | 6-1,6-4 |
| ITF France F11 | 2018/06/27 09:00 | Ugo Humbert v Gonzalo Villanueva | 6-2,6-0 |
| ITF France F11 | 2018/06/25 14:30 | Theo Arribage v Gonzalo Villanueva | 1-6,0-6 |
| ITF Argentina F3 | 2018/06/02 14:00 | Facundo Arguello v Gonzalo Villanueva | 6-4,7-6 |
| ITF Argentina F3 | 2018/06/01 15:30 | Gonzalo Villanueva v Franco Emanuel Egea | 6-4,6-0 |
| ITF Argentina F3 | 2018/05/31 17:10 | Gonzalo Villanueva v Juan Carlos Saez | 6-4,6-2 |
| ITF Argentina F3 | 2018/05/29 18:45 | Gonzalo Villanueva v Felipe M Sarrasague | 6-2,6-1 |
| Challenger San Benedetto Qual | 2018/07/14 08:00 | Giovanni Fonio v Cristian Valentini | 6-0,6-0 |
| Challenger Perugia Qual | 2018/07/08 10:25 | Giovanni Fonio v Oriol Roca Batalla | 2-6,3-6 |
| ITF Italy F17 | 2018/07/05 14:30 | Mircea-Alexandru Jecan v Giovanni Fonio | 7-5,7-6 |
| ITF Italy F17 | 2018/07/04 13:15 | Luca Tomasetto v Giovanni Fonio | 6-4,1-6,1-6 |
| Challenger L'Aquila | 2018/06/19 12:45 | Roberto Carballes Baena v Giovanni Fonio | 3-6,7-6,7-5 |
| ITF Italy F14 | 2018/06/14 16:00 | Giovanni Fonio v Nik Razborsek | 6-7,2-6 |
| ITF Italy F14 | 2018/06/13 16:00 | Fabrizio Ornago v Giovanni Fonio | 3-6,4-6 |
| ITF Italy F14 | 2018/06/11 15:05 | Giovanni Fonio v Riccardo Balzerani | 7-6,6-4 |