Stadium: Court 9 Round: 27
| ITF Women Sao Paulo WD | 2018/02/27 19:30 | Pella/Zidansek v Alves/Pedretti | 6-2,6-7,10-3 |
| ITF Women Sao Paulo WD | 2018/02/27 17:00 | Kurata/Piai v Hsu/Zacarias | 3-6,7-6,9-11 |
| ITF Women Curitiba WD | 2018/02/23 19:55 | Hsu/Zacarias v Albie/Tan | 6-0,6-3 |
| ITF Women Curitiba WD | 2018/02/21 22:50 | Pigossi/Soler-Espinosa v Hsu/Zacarias | 0-6,1-6 |
| ITF Women Curitiba WD | 2018/02/20 18:00 | Hsu/Zacarias v Ormaechea/Pella | 5-7,6-2,0-0 |