Former champions Roger Federer and Rafael Nadal both advanced to the fourth round with respective straight sets wins over Lucas Pouille and Jo-Wilfried Tsonga, while women's top seed Ashleigh Barty beat Harriet Dart for the loss of two games.
Johanna Konta battled past Sloane Stephens into the quarter-finals, while Joao Sousa overcame Daniel Evans to set up a quarter-final match against Rafael Nadal.