Stadium: Centre Court Round: 25
| ITF Women Campinas | 2018/03/08 14:00 | Thaisa Grana Pedretti v Fernanda Brito | 6-2,2-6,1-6 |
| ITF Women Campinas | 2018/03/06 21:30 | Thaisa Grana Pedretti v Noelia Zeballos | 6-0,6-2 |
| ITF Women Sao Paulo | 2018/02/28 13:00 | Conny Perrin v Thaisa Grana Pedretti | 6-3,6-4 |
| ITF Women Luque | 2017/12/22 19:00 | Nika Kukharchuk v Thaisa Grana Pedretti | 7-5,7-5 |
| ITF Women Luque | 2017/12/21 14:00 | Thaisa Grana Pedretti v Melany Solange Krywoj | 6-1,6-2 |
| ITF Women Luque | 2017/12/20 14:15 | Thaisa Grana Pedretti v Juliana Silva De Carvalho | 6-2,6-0 |
| ITF Women Santiago | 2017/12/06 14:00 | Thaisa Grana Pedretti v Marcela Zacarias | 1-6,4-6 |
| ITF Women Santiago | 2017/12/05 16:05 | Thaisa Grana Pedretti v Victoria Bosio | 3-6,7-6,6-3 |
| ITF Women SJD Campos Qual | 2018/03/12 18:15 | Madison Bourguignon v Juliana Valero | 6-2,6-3 |
| ITF Women SJD Campos Qual | 2018/03/11 14:00 | Madison Bourguignon v Maria Silva | 4-6,6-3,6-3 |
| ITF Women Campinas Qual | 2018/03/05 16:45 | Paula Baranano v Madison Bourguignon | 6-3,6-4 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Namie Isago v Madison Bourguignon | 2-6,1-6 |
| ITF Women Sao Paulo | 2018/02/27 14:30 | Audrey Albie v Madison Bourguignon | 7-5,4-6,6-0 |
| ITF Women Sao Paulo Qual | 2018/02/26 13:30 | Emiliana Arango v Madison Bourguignon | 6-4,6-1 |
| ITF Women Sao Paulo Qual | 2018/02/25 13:00 | Madison Bourguignon v Noelia Zeballos | 6-3,6-4 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Mariana Galvao Borges v Madison Bourguignon | 1-6,0-6 |