Stadium: Quadra 3 Round: 62
| 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 Sao Paulo Qual | 2018/02/24 15:30 | Mariana Correa v Stephanie Nemtsova | 0-6,0-6 |
| ITF Women Curitiba Qual | 2018/02/19 14:00 | Stephanie Nemtsova v Victoria Bosio | 4-6,4-6 |
| ITF Women Curitiba Qual | 2018/02/18 18:50 | Alice Rame v Stephanie Nemtsova | 1-6,6-3,3-6 |
| ITF Women Guayaquil | 2017/12/05 15:00 | Sofia Sewing v Stephanie Nemtsova | 6-4,7-5 |
| ITF Women Manta | 2017/12/01 15:00 | Nika Kukharchuk v Stephanie Nemtsova | 7-5,6-3 |
| 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 | Leticia Giudici v Maria Jose Portillo Ramirez | 1-6,1-6 |
| ITF Women Sao Paulo Qual | 2018/02/25 13:00 | Eleni Kordolaimi v Maria Jose Portillo Ramirez | 7-5,6-4 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Maria D R Vazquez v Maria Jose Portillo Ramirez | 3-6,4-6 |
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Maria Jose Portillo Ramirez v Paula Ormaechea | 0-6,2-6 |
| ITF Women Sharm El Sheikh | 2018/01/29 08:00 | Shalimar Talbi v Maria Jose Portillo Ramirez | 6-2,6-4 |
| ITF Women Sharm El Sheikh | 2018/01/28 08:00 | Constanze Stepan v Maria Jose Portillo Ramirez | 1-6,2-6 |
| ITF Women Sharm El Sheikh | 2018/01/22 08:00 | Maria Jose Portillo Ramirez v Katyarina Paulenka | 3-6,0-6 |