| 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 Curitiba Qual | 2018/02/17 14:30 | Akiko Okuda v Madison Bourguignon | 2-6,1-6 |
| ITF Women Petit-Bourg | 2018/01/15 16:10 | Akiko Okuda v Kamilla Kokeladze | 5-7,6-7 |
| ITF Women Tel Aviv | 2018/03/22 11:30 | Madeleine Kobelt v Lauren Marker | 6-2,1-6,6-3 |
| ITF Women Tel Aviv | 2018/03/20 08:00 | Lauren Marker v Ching-Wen Hsu | 6-1,6-3 |
| ITF Women Ramat Hasharon | 2018/03/13 08:00 | Helene Scholsen v Lauren Marker | 6-3,6-3 |
| WTA Indian Wells Qual | 2018/02/24 18:00 | Naomi Broady v Lauren Marker | 6-3,6-3 |
| ITF Women Rancho Santa Fe Qual | 2018/02/19 17:30 | Lauren Marker v Ingrid Neel | 3-6,3-6 |
| ITF Women Rancho Santa Fe Qual | 2018/02/18 17:30 | Jovana Jovic v Lauren Marker | 6-7,2-6 |
| ITF Women Surprise | 2018/02/14 17:00 | Lauren Marker v Ana Sofia Sanchez | 7-6,3-6,2-6 |
| ITF Women Petit-Bourg | 2018/01/17 18:25 | Caty McNally v Lauren Marker | 6-2,6-0 |