Stadium: Centre Court Round: 62
| ITF Women SJD Campos Qual | 2018/03/11 14:00 | Nemtsova, Stephanie v Julia Konishi Camargo Silva | 6-0,6-2 |
| Campinas, Singles W-WITF-BRA-03A | 2018/03/08 14:00 | Marcela Zacarias v Nemtsova, Stephanie | 6-0,6-0 |
| Campinas, Singles W-WITF-BRA-03A | 2018/03/07 15:45 | Lucero, Carla v Nemtsova, Stephanie | 6-1,4-6,3-6 |
| ITF Women Campinas Qual | 2018/03/05 14:50 | Nemtsova, Stephanie v Maria Jose Portillo Ramirez | 6-2,6-3 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Nemtsova, Stephanie v Bugnon, Candela | 6-2,7-5 |
| ITF Women Campinas Qual | 2018/03/03 14:00 | Nemtsova, Stephanie v Wu, Pamela | 6-1,6-2 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/25 17:30 | Marcela Zacarias v Nemtsova, Stephanie | 6-1,6-3 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 15:30 | Correa, Mariana v Nemtsova, Stephanie | 0-6,0-6 |
| ITF Women SJD Campos Qual | 2018/03/11 14:00 | Furlaneto, Caroline v Bueno, Marcela-Guimaraes | 5-7,6-4,3-6 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Bueno, Marcela-Guimaraes v Maria Jose Portillo Ramirez | 2-6,1-6 |
| ITF Women Campinas Qual | 2018/03/03 14:00 | Bueno, Marcela-Guimaraes v Terwindt, Tatiana | 6-4,3-6,6-2 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 20:00 | Bueno, Marcela-Guimaraes v Victoria Bosio | 2-6,2-6 |
| ITF Women Curitiba Qual | 2018/02/17 14:30 | Correa, Mariana v Bueno, Marcela-Guimaraes | 7-5,6-1 |
| ITF Women Luque | 2017/12/18 12:50 | Tomita, Giovanna v Bueno, Marcela-Guimaraes | 6-3,6-1 |
| ITF Women Santa Cruz | 2017/12/13 21:30 | Bueno, Marcela-Guimaraes v Petit, Stephanie Mariel | 3-6,1-6 |
| ITF Women Cantanduva | 2017/11/27 16:30 | Bueno, Marcela-Guimaraes v Luini, Sofia | 2-6,4-6 |