| ITF Women Jackson Qual | 2018/04/01 19:30 | Brittany Collens v Julia Fisch | 6-4,3-6,6-3 |
| ITF Women Sharm El Sheikh | 2018/02/10 08:00 | Brittany Collens v Anastasiia Poplavska | 2-6,2-6 |
| ITF Women Sharm El Sheikh | 2018/02/06 08:00 | Brittany Collens v Alise Cernecka | 3-6,3-6 |
| ITF Women Sharm El Sheikh | 2018/01/28 10:30 | Brittany Collens v Yuqi Sheng | 1-6,3-6 |
| ITF Women Sharm El Sheikh | 2018/01/20 09:00 | Apichaya Runglerdkriangkrai v Brittany Collens | 6-2,6-1 |
| ITF Women Sharm El Sheikh | 2018/01/14 08:00 | Brittany Collens v Jiakang Li | 1-6,6-7 |
| ITF Women Sharm El Sheikh | 2017/11/11 14:00 | Katerina Tsygourova v Brittany Collens | 6-2,6-4 |
| ITF Women Sharm El Sheikh | 2017/11/05 17:00 | Watsachol Sawasdee v Brittany Collens | 6-7,6-1,6-4 |
| ITF Women Jackson Qual | 2018/04/01 19:30 | Akiko Okuda v Lauren Marker | 5-7,2-6 |
| 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 |