Simona Halep enjoyed a comprehensive victory over Estonian qualifier Anett Kontaveit to book a fourth round meeting with Samantha Stosur at the Miami Open.
World No.1 Angelique Kerber willed through two tough sets against American Shelby Rogers to book a clash with surging qualifier Risa Ozaki in the fourth round.
Svetlana Kuznetsova and Johanna Konta were the first of the top half to ease into the second week at the Miami Open, dispatching Taylor Townsend and Pauline Parmentier, respectively.
No.2 seed Karolina Pliskova and No.4 seed Dominika Cibulkova had to weather a lengthy rain delay but both emerged victorious in their third-round encounters at the Miami Open.
Caroline Wozniacki wasted little time against Sorana Cirstea, wrapping up the rain-delayed night session in straight sets to book a fourth-round battle against Garbiñe Muguruza at the Miami Open.
Chris Oddo | Karolina Pliskova faces former junior foe, while Agnieszka Radwanska tries to avenge her Aussie Open loss to Mirjana Lucic-Baroni.