Veronika Kudermetova, Russia, def. Claire Liu, United States, 6-2, 7-5.
Aryna Sabalenka (4), Belarus, def. Caroline Dolehide, United States, 5-7, 6-1, 7-5.
Shelby Rogers, United States, def. Maria Sakkari (1), Greece, 6-1, 6-3.
Coco Gauff (6), United States, def. Naomi Osaka, Japan, 6-4, 6-4.
Zhang Shuai, China, and Veronika Kudermetova (1), Russia, def. Storm Sanders, Australia, and Caroline Dolehide, United States, 6-2, 5-7, 10-8.
Shuko Aoyama, Japan, and Hao-Ching Chan, Taiwan, def. Demi Schuurs, Netherlands, and Desirae Krawczyk (3), United States, 6-3, 6-3.