Alejandro Davidovich Fokina, Spain, def. Daniel Elahi Galan, Colombia, 6-4, 5-7, 6-4, 6-4.
Matteo Berrettini (13), Italy, def. Andy Murray, Britain, 6-4, 6-4, 6-7 (1), 6-3.
Ons Jabeur (5), Tunisia, def. Shelby Rogers (31), United States, 4-6, 6-4, 6-3.
Veronika Kudermetova (18), Russia, def. Dalma Galfi, Hungary, 6-2, 6-0.
Zhang Shuai, China, def. Rebecca Marino, Canada, 6-2, 6-4.