Iga Swiatek, Poland, def. Paula Badosa, Spain, 7-5, 6-4.

Maria Sakkari, Greece, def. Aryna Sabalenka, Belarus, 7-6 (1), 6-7 (6), 6-3.

Barbora Krejcikova and Katerina Siniakova, Czech Republic, def. Alexa Guarachi Mathison, Chile, and Desirae Krawczyk, United States, 5-7, 7-6 (3), 10-7.

Hsieh Su-wei, Taiwan, and Elise Mertens, Belgium, def. Sharon Fichman, Canada, and Giuliana Olmos, Mexico, 6-4, 7-6 (3).