Zheng Qinwen (7), China, def. Jule Niemeier, Germany, 6-2, 6-1.
Paula Badosa (26), Spain, def. Elena-Gabriela Ruse, Romania, 4-6, 6-1, 7-6 (8).
Bethanie Mattek-Sands and Sofia Kenin (9), United States, def. Maia Lumsden, Britain, and Anna Siskova, Czechia, 6-2, 6-1.
Laura Siegemund, Germany, and Beatriz Haddad Maia (12), Brazil, def. Robin Montgomery and Clervie Ngounoue, United States, 6-2, 6-2.
Sara Sorribes Tormo, Spain, and Marie Bouzkova (11), Czechia, def. Aliaksandra Sasnovich, Belarus, and Kamilla Rakhimova, Russia, 6-4, 6-1.
