Stadium: Cancha Central Round: 27 Ground: Clay
| Challenger San Luis Potosi | 2018/03/28 21:10 | Facundo Arguello v Jose Hernandez-Fernandez | 3-6,3-6 |
| Challenger Santiago - Kval | 2018/03/04 14:00 | Jose Hernandez-Fernandez v Facundo Arguello | 4-6,3-6 |
| Challenger Guayaquil | 2015/11/03 20:00 | Facundo Arguello v Jose Hernandez-Fernandez | 7-5,4-6,6-4 |