Stadium: Court 1 Round: 62
| ITF Women Pelham Qual | 2018/04/08 15:00 | Mary Closs v Akiko Okuda | 6-4,3-6,3-6 |
| ITF Women Jackson Qual | 2018/04/01 19:30 | Akiko Okuda v Lauren Marker | 5-7,2-6 |
| ITF Women SJD Campos | 2018/03/15 17:30 | Akiko Okuda v Stephanie Mariel Petit | 1-6,2-6 |
| ITF Women SJD Campos | 2018/03/14 15:30 | Rebeca Pereira v Akiko Okuda | 1-6,6-7 |
| ITF Women SJD Campos Qual | 2018/03/10 16:00 | Akiko Okuda v Maria Virginia Bosch | 6-2,6-0 |
| ITF Women Campinas Qual | 2018/03/05 13:00 | Carla Lucero v Akiko Okuda | 6-2,6-2 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Althea Hudson v Akiko Okuda | 0-6,0-6 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Akiko Okuda v Camila Giangreco Campiz | 2-6,6-3,4-6 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Allison Mulville v Ellie Douglas | 2-6,0-6 |
| ITF Women Jackson Qual | 2018/04/02 16:30 | Catherine Harrison v Ellie Douglas | 6-3,4-6,6-4 |
| ITF Women Jackson Qual | 2018/04/01 16:30 | Jerricka Boone v Ellie Douglas | 0-6,0-6 |
| ITF Women Irapuato | 2018/03/14 20:30 | Arantxa Rus v Ellie Douglas | 7-6,6-3 |
| ITF Women Irapuato | 2018/03/12 19:30 | Ellie Douglas v Chieh-Yu Hsu | 1-6,6-2,6-3 |
| ITF Women Irapuato Qual | 2018/03/11 20:30 | Alexandra Riley v Ellie Douglas | 3-6,4-6 |
| ITF Women Irapuato Qual | 2018/03/10 20:30 | Andrea Duva v Ellie Douglas | 0-6,3-6 |
| ITF Women Rancho Santa Fe Qual | 2018/02/19 19:00 | Claire Liu v Ellie Douglas | 6-2,6-0 |