Sonay Kartal, Britain, def. Elina Svitolina (5), Ukraine, 6-2, 2-6, 6-4.

Maja Chwalinska (16), Poland, def. Maria Sakkari, Greece, 6-0, 3-6, 7-5.

Iga Swiatek (7), Poland, def. Ann Li, United States, 6-4, 6-1.

Gabriela Dabrowski, Canada, and Luisa Stefani (1), Brazil, def. Ingrid Neel, Estonia, and Giuliana Olmos, Mexico, 7-6 (4), 6-4.

Nicole Melichar-Martinez, United States, and Cristina Bucsa (5), Spain, def. Hsieh Su-wei, Taiwan, and Jelena Ostapenko (4), Latvia, walkover.

Storm Hunter, Australia, and Katerina Siniakova (3), Czechia, def. Kristina Mladenovic, France, and Hanyu Guo (6), China, 6-4, 2-6, 10-1.

Sara Errani and Jasmine Paolini (8), Italy, def. Zhang Shuai, China, and Anna Danilina (2), Kazakhstan, 6-3, 6-2.