| ITF Women Castellon | 2017/11/25 10:00 | Saara Aerila v Iruela Descamps, Carlota | 6-2,6-3 |
| ITF Women Monzon | 2018/05/09 09:30 | Guerrero Alvarez, Eva v Marcela Zacarias | 2-6,6-3,7-5 |
| ITF Women Monzon | 2018/05/08 08:30 | Lechemia, Elixane v Marcela Zacarias | 5-7,1-6 |
| WTA Monterrey Qual | 2018/03/31 18:35 | Jasmine Paolini v Marcela Zacarias | 6-2,2-6,6-1 |
| Irapuato, Singles W-WITF-MEX-01A | 2018/03/14 01:35 | Marcela Zacarias v Ysaline Bonaventure | 0-6,4-6 |
| Campinas, Singles W-WITF-BRA-03A | 2018/03/09 15:30 | Marcela Zacarias v Burger, Cindy | 6-4,3-6,4-6 |
| 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 | 2018/03/06 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 |