Stadium: Centre Court Round: 25
| ITF Women SJD Campos Qual | 2018/03/12 14:20 | Flavia Guimaraes Bueno v Kamilla Kokeladze | 6-4,6-3 |
| ITF Women SJD Campos Qual | 2018/03/11 14:00 | Flavia Guimaraes Bueno v Raquel Martini | 6-0,6-3 |
| ITF Women Campinas Qual | 2018/03/05 14:45 | Lara Escauriza v Flavia Guimaraes Bueno | 6-1,6-3 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Erika Drozd Pereira v Flavia Guimaraes Bueno | 0-6,6-3,4-6 |
| ITF Women Sao Paulo Qual | 2018/02/25 14:30 | Flavia Guimaraes Bueno v Stephanie Mariel Petit | 3-6,2-6 |
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Maria D R Vazquez v Flavia Guimaraes Bueno | 3-6,6-3,7-5 |
| ITF Women Luque | 2017/12/18 13:30 | Carla Lucero v Flavia Guimaraes Bueno | 6-2,6-4 |
| ITF Women Santa Cruz | 2017/12/13 23:00 | Flavia Guimaraes Bueno v Noelia Zeballos | 0-6,3-6 |
| ITF Women Campinas | 2018/03/08 16:15 | Barbara Gatica v Gabriela Ce | 1-6,2-6 |
| ITF Women Campinas | 2018/03/07 14:00 | Barbara Gatica v Julieta Lara Estable | 4-6,6-3,6-4 |
| ITF Women Sao Paulo Qual | 2018/02/24 15:30 | Barbara Gatica v Alexa Ryngler | 2-6,4-6 |
| ITF Women Curitiba Qual | 2018/02/19 15:50 | Barbara Gatica v Jessica Ho | 3-6,6-3,2-6 |
| ITF Women Curitiba Qual | 2018/02/18 14:00 | Barbara Gatica v Julia Konishi Camargo Silva | 6-1,6-2 |
| ITF Women Santa Cruz | 2017/12/14 21:30 | Ana Sofia Sanchez v Barbara Gatica | 6-2,6-2 |
| ITF Women Santa Cruz | 2017/12/11 22:05 | Rebeca Pereira v Barbara Gatica | 4-6,3-6 |
| ITF Women Santiago | 2017/12/08 15:50 | Fernanda Brito v Barbara Gatica | 6-1,6-4 |