Stadium: Quadra 3 Round: 26 Ground: Clay
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/25 17:30 | Marcela Zacarias v Nemtsova, Stephanie | 6-1,6-3 |
| ITF Women Mexico City | 2016/10/07 21:00 | Nemtsova, Stephanie v Marcela Zacarias | 4-6,1-6 |
| Campinas, Singles W-WITF-BRA-03A | 2018/03/06 14:00 | Marcela Zacarias v Garcia, Alice | 6-4,6-0 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/26 18:10 | Marcela Zacarias v Victoria Bosio | 4-6,6-1,4-6 |
| 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 20:00 | Marcela Zacarias v Bugnon, Candela | 6-0,6-1 |
| Curitiba, Singles W-WITF-BRA-01A | 2018/02/22 17:00 | Marcela Zacarias v Victoria Bosio | 3-6,6-0,2-6 |
| Curitiba, Singles W-WITF-BRA-01A | 2018/02/21 14:30 | Marcela Zacarias v Chieh-Yu Hsu | 6-1,6-3 |
| ITF Women Curitiba Qual | 2018/02/19 14:00 | Marcela Zacarias v Noelia Zeballos | 6-0,6-2 |
| ITF Women Curitiba Qual | 2018/02/18 15:00 | Marcela Zacarias v Giudici, Leticia | 6-1,6-2 |
| 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 Curitiba Qual | 2018/02/19 14:00 | Nemtsova, Stephanie v Victoria Bosio | 4-6,4-6 |
| ITF Women Curitiba Qual | 2018/02/18 18:50 | Alice Rame v Nemtsova, Stephanie | 1-6,6-3,3-6 |