Olympic champion Andy Murray advanced to the last eight at the US Open last night - defeating Canadian 15th seed Milos Raonic 6-4, 6-4, 6-2. He'll next play Croatian 12th seed Marin Cilic.
Top seed Roger Federer advanced by walkover when American Mardy Fish withdrew from their match over health concerns.
The Fed will play Czech sixth seed Tomas Berdych in the last eight.
In ladies play, Serena Williams moved into the singles quarterfinals with a 6-0, 6-0 demolition of Andrea Hlavackova.
She'll play Ana Ivanovic next after the Serb beat Tsvetana Pironkova of Bulgaria 6 0 6 4
Sara Errani of Italy beat Angelique Kerber of Germany to book a quarter-final against her good mate and fellow Italian Roberta Vinci.
Vinci took out Agnieszka Radwanska of Poland 6 1 6 4.
