Stadium: Court 3 Round: 62
| 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 | Caroline Furlaneto v Marcela-Guimaraes Bueno | 5-7,6-4,3-6 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Marcela-Guimaraes Bueno v Maria Jose Portillo Ramirez | 2-6,1-6 |
| ITF Women Campinas Qual | 2018/03/03 14:00 | Marcela-Guimaraes Bueno v Tatiana Terwindt | 6-4,3-6,6-2 |
| ITF Women Sao Paulo Qual | 2018/02/24 20:00 | Marcela-Guimaraes Bueno v Victoria Bosio | 2-6,2-6 |
| ITF Women Curitiba Qual | 2018/02/17 14:30 | Mariana Correa v Marcela-Guimaraes Bueno | 7-5,6-1 |
| ITF Women Luque | 2017/12/18 12:50 | Giovanna Tomita v Marcela-Guimaraes Bueno | 6-3,6-1 |
| ITF Women Santa Cruz | 2017/12/13 21:30 | Marcela-Guimaraes Bueno v Stephanie Mariel Petit | 3-6,1-6 |
| ITF Women SJD Campos Qual | 2018/03/10 16:00 | Delfina Glorioso v Alice Garcia | 3-6,2-6 |
| ITF Women Campinas Qual | 2018/03/03 15:30 | Delfina Glorioso v Mariana Correa | 1-6,2-6 |
| ITF Women Sao Paulo Qual | 2018/02/24 15:30 | Delfina Glorioso v Alice Garcia | 1-6,0-6 |
| ITF Women Luque | 2017/12/18 12:00 | Valentina Abrile v Delfina Glorioso | 6-2,6-2 |
| ITF Women Santa Cruz | 2017/12/11 23:30 | Camila Giangreco Campiz v Delfina Glorioso | 6-2,6-0 |
| ITF Women Encarnacion | 2017/11/04 14:00 | Lucia Zelenka v Delfina Glorioso | 6-1,6-3 |
| ITF Women Asuncion | 2017/10/28 13:00 | Delfina Glorioso v Ralina Kalimullina | 3-6,0-6 |
| ITF Women Lambare | 2017/10/22 12:00 | Maria J Amicuzi v Delfina Glorioso | 6-2,6-2 |