There were also third round wins earlier for Dominic Thiem, David Goffin, Milos Ronic and Gael Monfils.
In the women's singles, Serena Williams had no trouble against Nicole Gibbs, beating her in straight sets.
Caroline Wozniacki was knocked out in straight sets by Joanna Konta.
The big shock saw 6th seed Dominika Cibulkova lose to 30th seed, Ekatarina Makarova.
