Round: 62 Ground: Hardcourt outdoor
| ITF Women Bethany Beach Qual | 2018/06/05 13:00 | Maria Jose Portillo Ramirez v Elysia Bolton | 6-7,3-6 |
| ITF Women Tacarigua | 2018/05/12 15:00 | Maria Jose Portillo Ramirez v Andrea R Villarreal | 6-2,6-2 |
| ITF Women Tacarigua | 2018/05/11 17:00 | Maria Jose Portillo Ramirez v Csilla Fodor | 6-7,6-0,7-6 |
| ITF Women Tacarigua | 2018/05/10 15:00 | Emily Appleton v Maria Jose Portillo Ramirez | 4-6,4-6 |
| ITF Women Tacarigua | 2018/05/09 18:30 | Maria Jose Portillo Ramirez v Catherine Leduc | 6-4,6-2 |
| ITF Women Tacarigua | 2018/05/07 14:00 | Maria Jose Portillo Ramirez v Rushri Wijesundera | 6-2,7-6 |
| ITF Women Pelham Qual | 2018/04/09 15:00 | Maria Jose Portillo Ramirez v Andrea R Villarreal | 6-2,3-6,6-7 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Charity Johns v Maria Jose Portillo Ramirez | 0-6,0-6 |