The third seeded pair took just an hour to dispose off Lu Yen-Hsun (Tpe) and Go Soeda (Jpn) 6-4, 6-3 and they will take on Benoit Paire of France and Stanislas Wawrinka (Sui) in the quarterfinal tie.
Earlier, in another doubles on the side court, German duo of Andre Begemann and Martin Emmrich defeated the English pair Jaime Delgado and Ken Skupski 7-6 (3) and 6-2.
In a centre court singles matches, second seed Janko Tipservic of Serbia defeated Roger Vasselin Edouard of France 6-2, 6-3 to make the quarterfinal, while fourth seed Stanislas Wawrinka beat Stebe Cedrik Marcel 6-4 6-3.
