Stadium: Court 11 Round: 25
| ITF Women SJD Campos Qual | 2018/03/12 13:00 | Stephanie Nemtsova v Marcela-Guimaraes Bueno | 6-3,6-0 |
| ITF Women SJD Campos Qual | 2018/03/11 14:00 | Stephanie Nemtsova v Julia Konishi Camargo Silva | 6-0,6-2 |
| ITF Women Campinas | 2018/03/08 14:00 | Marcela Zacarias v Stephanie Nemtsova | 6-0,6-0 |
| ITF Women Campinas | 2018/03/07 15:45 | Carla Lucero v Stephanie Nemtsova | 6-1,4-6,3-6 |
| ITF Women Campinas Qual | 2018/03/05 14:50 | Stephanie Nemtsova v Maria Jose Portillo Ramirez | 6-2,6-3 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Stephanie Nemtsova v Candela Bugnon | 6-2,7-5 |
| ITF Women Campinas Qual | 2018/03/03 14:00 | Stephanie Nemtsova v Pamela Wu | 6-1,6-2 |
| ITF Women Sao Paulo Qual | 2018/02/25 17:30 | Marcela Zacarias v Stephanie Nemtsova | 6-1,6-3 |
| 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 Nathaly Kurata | 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 Melany Solange Krywoj | 4-6,6-2,3-6 |
| ITF Women Luque | 2017/12/18 12:50 | Giovanna Tomita v Marcela-Guimaraes Bueno | 6-3,6-1 |