Stadium: Court 2 Round: 26
| ITF Women Monzon | 2018/05/08 08:30 | Ana Sofia Sanchez v Eva Guerrero Alvarez | 0-6,3-6 |
| ITF Women Obidos | 2018/04/25 09:00 | Arina Rodionova v Eva Guerrero Alvarez | 6-2,7-5 |
| ITF Women Obidos Qual | 2018/04/23 12:00 | Eva Guerrero Alvarez v Mafalda Soares | 6-1,6-0 |
| ITF Women Obidos Qual | 2018/04/22 09:00 | Eva Guerrero Alvarez v Beatriz P D Da Costa | 6-0,6-1 |
| ITF Women Obidos | 2018/04/19 11:20 | Eva Guerrero Alvarez v Katie Boulter | 6-7,3-6 |
| ITF Women Obidos | 2018/04/18 16:00 | Eva Guerrero Alvarez v Yvonne Cavalle-Reimers | 6-3,4-6,7-5 |
| ITF Women Obidos Qual | 2018/04/17 10:45 | Alba Carrillo Marin v Eva Guerrero Alvarez | 5-7,6-7 |
| ITF Women Obidos Qual | 2018/04/16 13:00 | Eva Guerrero Alvarez v Ana Vrljic | 6-2,2-6,6-2 |
| ITF Women Monzon | 2018/05/08 08:30 | Elixane Lechemia 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 |
| ITF Women Irapuato | 2018/03/14 01:35 | Marcela Zacarias v Ysaline Bonaventure | 0-6,4-6 |
| ITF Women Campinas | 2018/03/09 15:30 | Marcela Zacarias v Cindy Burger | 6-4,3-6,4-6 |
| ITF Women Campinas | 2018/03/08 14:00 | Marcela Zacarias v Stephanie Nemtsova | 6-0,6-0 |
| ITF Women Campinas | 2018/03/06 14:00 | Marcela Zacarias v Alice Garcia | 6-4,6-0 |
| ITF Women Sao Paulo Qual | 2018/02/26 18:10 | Marcela Zacarias v Victoria Bosio | 4-6,6-1,4-6 |
| ITF Women Sao Paulo Qual | 2018/02/25 17:30 | Marcela Zacarias v Stephanie Nemtsova | 6-1,6-3 |