Ekaterina Alexandrova racked up another upset at the Miami Open as she beat Jessica Pegula for a place in the semi-finals, after the shock defeat of Iga Swiatek.
Carlos Alcaraz advanced to the last 16 of the Miami Open after beating Gael Monfils, while Grigor Dimitrov also book his place in the next round.
British number one Katie Boulter was eliminated from the Miami Open by Victoria Azarenka, who clinched a straight-sets victory to advance to the quarter-finals.
Andy Murray picked up a serious ankle injury during his defeat to Tomas Machac at the Miami Open, which will put him out of action for an "extended spell".
Australian Open champion Jannik Sinner recovered from a set down to beat Tallon Griekspoor, while Daniil Medvedev and Casper Ruud also advanced at the Miami Open.
Third seed Coco Gauff reeled off ten consecutive games to book her place in the fourth round of the Miami Open with a comprehensive 6-4 6-0 victory over Oceane Dodin.