Stadium: Court 1 Round: 25
| ITF Women Campinas | 2018/03/06 16:30 | Giovanna Tomita v Νάθαλι Κουράτα | 4-6,2-6 |
| ITF Women SJD Campos | 2018/03/14 17:30 | Stephanie Nemtsova v Giovanna Tomita | 6-3,6-1 |
| ITF Women SJD Campos Qual | 2018/03/12 16:00 | Giovanna Tomita v Victoria Ariadna Beccio | 6-2,6-0 |
| ITF Women SJD Campos Qual | 2018/03/11 14:00 | Giovanna Tomita v Pamela Wu | 6-4,6-0 |
| ITF Women Campinas | 2018/03/06 16:30 | Giovanna Tomita v Νάθαλι Κουράτα | 4-6,2-6 |
| ITF Women Sao Paulo Qual | 2018/02/25 14:30 | Giovanna Tomita v Camila Giangreco Campiz | 4-6,1-6 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Giovanna Tomita v Juliana Jose Parra Gomez | 6-0,6-0 |
| ITF Women Curitiba Qual | 2018/02/17 14:30 | Giovanna Tomita v Alexa Ryngler | 3-6,2-6 |
| ITF Women Luque | 2017/12/20 16:20 | Giovanna Tomita v Μέλανι Σολάνγκε Κριβόι | 4-6,6-2,3-6 |
| ITF Women SJD Campos | 2018/03/16 16:55 | Νάθαλι Κουράτα v Βικτόρια Μπόσιο | 4-6,6-3,1-6 |
| ITF Women SJD Campos | 2018/03/15 14:00 | Νάθαλι Κουράτα v Ana Paula Melilo | 5-7,6-0,6-4 |
| ITF Women SJD Campos | 2018/03/14 15:00 | Νάθαλι Κουράτα v Ana Luiza Cruz | 6-0,6-0 |
| ITF Women Campinas | 2018/03/09 16:45 | Αλίς Ραμέ v Νάθαλι Κουράτα | 4-6,7-5,6-3 |
| ITF Women Campinas | 2018/03/08 14:00 | Λάρα Εσκαουρίζα v Νάθαλι Κουράτα | 1-6,1-6 |
| ITF Women Campinas | 2018/03/06 16:30 | Giovanna Tomita v Νάθαλι Κουράτα | 4-6,2-6 |
| ITF Women Sao Paulo | 2018/03/01 15:15 | Mariana Duque Marino v Νάθαλι Κουράτα | 6-7,6-2,6-2 |
| ITF Women Sao Paulo | 2018/02/28 17:25 | Νάθαλι Κουράτα v Βικτόρια Μπόσιο | 7-6,7-5 |