Stadium: Court 4 Round: 54
| ITF Women Guayaquil | 2018/08/07 15:00 | Fiona Codino v Galvao Borges, Mariana | 6-3,6-1 |
| ITF Women SJD Campos Qual | 2018/03/10 16:00 | Furlaneto, Caroline v Galvao Borges, Mariana | 6-2,6-3 |
| ITF Women Campinas Qual | 2018/03/03 14:00 | Galvao Borges, Mariana v Martini, Raquel | 0-6,5-7 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 12:00 | Galvao Borges, Mariana v Madison Bourguignon | 1-6,0-6 |
| ITF Women Curitiba Qual | 2018/02/18 19:10 | Mirjam Bjorklund v Galvao Borges, Mariana | 6-0,6-0 |
| ITF Women Curitiba Qual | 2018/02/17 16:00 | Galvao Borges, Mariana v Mecchi de Oliveira Silva, Alessandra | 6-3,7-5 |
| ITF Women Cantanduva | 2017/11/28 17:35 | Galvao Borges, Mariana v Wolf Gasparin, Nathalia | 0-6,0-6 |
| ITF Women Encarnacion | 2017/11/05 15:30 | Kalimullina, Aida v Galvao Borges, Mariana | 6-2,6-1 |
| ITF Women Guayaquil | 2018/08/05 15:00 | Molina Portela, Dolores v Martina Capurro Taborda | 0-6,4-6 |
| ITF Women Villa Dolores | 2018/04/14 14:30 | Molina Portela, Dolores v Urrutia, Maria Florencia | 6-4,2-6,0-6 |
| ITF Women Santa Cruz | 2017/12/12 21:30 | Guimaraes Bueno, Flavia v Molina Portela, Dolores | 6-3,4-6,6-3 |
| ITF Women Santa Cruz | 2017/12/10 14:30 | Molina Portela, Dolores v Parra Gomez, Juliana Jose | 6-0,6-4 |
| ITF Women Cantanduva | 2017/11/29 15:10 | Kurata, Nathaly v Molina Portela, Dolores | 6-4,6-4 |
| ITF Women Cantanduva | 2017/11/28 12:00 | Molina Portela, Dolores v Ferrero, Melina | 4-6,6-3,6-4 |
| ITF Women Encarnacion | 2017/11/07 17:45 | Piai, Eduarda v Molina Portela, Dolores | 6-2,6-3 |
| ITF Women Encarnacion | 2017/11/05 13:00 | Williford, Kelly v Molina Portela, Dolores | 6-7,6-3,6-7 |