Round: 27 Ground: Clay
| ITF Women Luque WD | 2018/09/04 20:50 | G Campiz/Tami-Masi v Gatica/Pereira | 6-2,7-6 |
| ITF Women Asuncion WD | 2018/08/27 22:30 | Candela Bugnon/Ganga v Gatica/Pereira | 3-6,6-2,10-8 |
| ITF Women Lambare WD | 2018/08/24 19:00 | Brito/Giangreco Campiz v Gatica/Pereira | 6-4,4-6,10-3 |
| ITF Women Lambare WD | 2018/08/23 20:00 | Estable/Piai v Gatica/Pereira | 5-7,6-7 |
| ITF Women Lambare WD | 2018/08/22 19:50 | Amicuzi/Molina Portela v Gatica/Pereira | 3-6,2-6 |
| ITF Women Lambare WD | 2018/08/20 19:20 | Bueno/Shaulskaya v Gatica/Pereira | 5-7,5-7 |
| ITF Women Guayaquil WD | 2018/08/16 20:30 | Taborda/Romero v Gatica/Pereira | 6-3,1-6,10-8 |
| ITF Women Guayaquil WD | 2018/08/15 19:30 | Hitt/Hitt v Gatica/Pereira | 0-6,3-6 |
| ITF Women Hilton Head WD | 2018/09/25 18:00 | Guerin/Williford v Scott/Williams | 6-2,6-2 |