Stadium: Court 9 Round: 26
| ITF Women Evansville | 2018/07/25 14:00 | Nicole Mossmer v Niluka Madurawe | 4-6,1-6 |
| ITF Women Victoria | 2018/06/17 16:30 | Niluka Madurawe v Leena Bennetto | 1-6,3-6 |
| ITF Women Rancho Santa Fe Qual | 2018/02/18 17:30 | Aleksandra Wozniak v Niluka Madurawe | 6-1,6-4 |
| ITF Women Surprise Qual | 2018/02/11 17:00 | Monica Robinson v Niluka Madurawe | 7-5,6-2 |
| ITF Women Evansville | 2018/07/24 14:00 | Brianda R Navarro v Maria Jose Portillo Ramirez | 0-6,0-6 |
| ITF Women Gatineau Qual | 2018/07/15 14:00 | Jodie Anna Burrage v Maria Jose Portillo Ramirez | 6-1,6-2 |
| ITF Women Gatineau Qual | 2018/07/14 16:55 | Jada Bui v Maria Jose Portillo Ramirez | 5-7,3-6 |
| 2018 Fed Cup | 2018/06/21 14:00 | Maria Jose Portillo Ramirez v Tangia Riley-Codrington | 6-0,6-0 |
| ITF Women Sumter | 2018/06/13 18:15 | Maria Jose Portillo Ramirez v Alize Lim | 1-6,1-6 |
| ITF Women Sumter Qual | 2018/06/12 13:00 | Maria Jose Portillo Ramirez v Gianna Pielet | 6-2,6-3 |
| ITF Women Sumter Qual | 2018/06/11 13:00 | Maria Jose Portillo Ramirez v Peyton Stearns | 7-6,7-6 |
| ITF Women Sumter Qual | 2018/06/10 13:00 | Maria Jose Portillo Ramirez v Savannah Broadus | 1-6,6-4,6-4 |