Stadium: Cancha 1 Round: 166 Ground: Clay
| Challenger Morelos | 2019/02/19 17:20 | Manuel Sanchez v Gonzalo Villanueva | 6-3,6-3 |
| Challenger Morelos | 2019/02/18 16:00 | Evan Furness v Gonzalo Villanueva | 6-2,6-7,1-6 |
| Challenger Punta del Este | 2019/01/23 14:00 | Gonzalo Villanueva v Nino Serdarusic | 6-7,6-4,4-6 |
| Challenger Punta del Este | 2019/01/21 14:00 | Thiago Seyboth Wild v Gonzalo Villanueva | 6-1,4-6,3-6 |
| Challenger Buenos Aires | 2018/11/13 19:50 | Gonzalo Villanueva v Hugo Dellien | 4-6,3-6 |
| Challenger Buenos Aires | 2018/11/12 14:00 | Manuel Pena Lopez v Gonzalo Villanueva | 3-6,6-3,1-6 |
| Challenger Buenos Aires | 2018/11/11 20:15 | Pedro Sakamoto v Gonzalo Villanueva | 5-7,6-4,2-6 |
| Challenger Montevideo | 2018/11/05 16:00 | Gonzalo Villanueva v Federico Coria | 5-7,1-6 |
| ITF Chile F1 | 2018/11/12 16:00 | Mateo Nicolas Martinez v Amador Salazar | 6-2,6-1 |
| ITF Chile F2 | 2017/11/26 13:00 | Amador Salazar v Laelson Rodrigues | 3-6,2-6 |
| ITF Chile F2 | 2017/11/25 16:00 | Bruno L F Ureta v Amador Salazar | 4-6,3-6 |
| ITF Chile F1 | 2017/11/20 13:00 | Martin Facundo Carrizo v Amador Salazar | 6-3,6-4 |