Stadium: Cancha 9 Round: 25 Ground: Clay
| Challenger Santiago Qual | 2018/03/03 13:00 | Jose Hernandez-Fernandez v Gonzalo Villanueva | 7-6,7-6 |
| Challenger Punta Del Este Qual | 2018/02/26 14:30 | Juan Ignacio Galarza v Gonzalo Villanueva | 6-3,6-2 |
| Challenger Punta Del Este Qual | 2018/02/25 16:20 | Franco Agamenone v Gonzalo Villanueva | 1-6,3-6 |
| Challenger Punta Del Este Qual | 2018/02/24 19:40 | Gonzalo Villanueva v Gonzalo Lama | 7-5,3-6,6-2 |
| ITF Argentina F12 | 2017/12/06 14:15 | Gonzalo Villanueva v Daniel Dutra Da Silva | 1-6,6-7 |
| ITF Argentina F12 | 2017/12/04 13:30 | Gonzalo Villanueva v Facundo Juarez | 6-3,1-6,6-3 |
| ITF Argentina F11 | 2017/11/30 13:55 | Andrea Collarini v Gonzalo Villanueva | 3-6,6-3,6-2 |
| ITF Argentina F11 | 2017/11/29 15:30 | Gonzalo Villanueva v Tomas Lipovsek Puches | 6-1,6-4 |
| ITF Mexico F6 | 2017/11/20 17:30 | Felipe M Sarrasague v Tristan Meraut | 5-7,2-6 |
| Challenger Charlottesville Qual | 2017/10/28 20:50 | Felipe M Sarrasague v Samuel Monette | 4-6,2-6 |
| Challenger Cary Qual | 2017/09/10 15:50 | Hans Hach Verdugo v Felipe M Sarrasague | 7-6,6-3 |
| ITF Austria F6 | 2017/08/08 12:30 | Roberto Marcora v Felipe M Sarrasague | 6-2,6-4 |
| ITF Austria F5 | 2017/08/04 09:00 | Mate Delic v Felipe M Sarrasague | 6-3,6-3 |
| ITF Austria F5 | 2017/08/03 09:30 | Bogdan Bobrov v Felipe M Sarrasague | 2-6,3-6 |
| ITF Austria F5 | 2017/08/02 08:00 | Felipe M Sarrasague v Milan Drinic | 6-3,6-1 |
| ITF Austria F4 | 2017/07/29 08:30 | Felipe M Sarrasague v Pascal Brunner | 5-7,1-6 |