Stadium: Court 9 Round: 26
| ITF Women Buenos Aires | 2017/10/10 13:00 | Lucero, Carla v Gatica, Barbara | 7-5,2-6,6-7 |
| ITF Women SJD Campos | 2018/03/13 15:50 | Martinich, Ivania v Lucero, Carla | 0-6,6-2,5-7 |
| 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 13:00 | Lucero, Carla v Okuda, Akiko | 6-2,6-2 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Lucero, Carla v Bosch, Maria Virginia | 6-0,6-0 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/25 16:00 | Stewart, Katerina v Lucero, Carla | 6-2,6-0 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 15:30 | Lucero, Carla v Ravanini de Souza, Larissa | 6-0,6-0 |
| Curitiba, Singles W-WITF-BRA-01A | 2018/02/20 16:30 | Elysia Bolton v Lucero, Carla | 7-5,3-6,7-6 |
| ITF Women Curitiba Qual | 2018/02/19 15:40 | Kordolaimi, Eleni v Lucero, Carla | 2-6,6-2,3-6 |
| ITF Women SJD Campos Qual | 2018/03/13 16:50 | Guimaraes Bueno, Flavia v Gatica, Barbara | 5-7,0-6 |
| Campinas, Singles W-WITF-BRA-03A | 2018/03/08 16:15 | Gatica, Barbara v Gabriela Ce | 1-6,2-6 |
| Campinas, Singles W-WITF-BRA-03A | 2018/03/07 14:00 | Gatica, Barbara v Julieta Lara Estable | 4-6,6-3,6-4 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 15:30 | Gatica, Barbara v Ryngler, Alexa | 2-6,4-6 |
| ITF Women Curitiba Qual | 2018/02/19 15:50 | Gatica, Barbara v Ho, Jessica | 3-6,6-3,2-6 |
| ITF Women Curitiba Qual | 2018/02/18 14:00 | Gatica, Barbara v Julia Konishi Camargo Silva | 6-1,6-2 |
| ITF Women Santa Cruz | 2017/12/14 21:30 | Ana Sofia Sanchez v Gatica, Barbara | 6-2,6-2 |
| ITF Women Santa Cruz | 2017/12/11 22:05 | Rebeca Pereira v Gatica, Barbara | 4-6,3-6 |