World No.1 Simona Halep smooth-sailed into the third round by losing just one game against Naomi Osaka, while sixth seed Karolina Pliskova had a rough day, getting out of control over a line call and making a hole in the umpire’s chair with her racquet after suffering a three-set defeat by Maria Sakkari.
Angelique Kerber battled past Irina-Camelia Begu, 2016 finalist Madison Keys played through back pain to defeat Donna Vekic in straight sets, and Caroline Wozniacki defeated Alison Van Uytvanck.