Murray has conceded that the recovery time for the ligament and tendon damage he sustained at the French Open means he should really be resting this week, but a desire to get plenty of time on grass before Wimbledon has forced him to ignore his discomfort.

Andy Roddick remained in the hunt for a record fifth Queen's crown with a 6-4, 6-4 win over South Africa's Kevin Anderson.

The American third seed, a three-time Wimbledon finalist, thrives on grass and he did just enough to see off 15th seed Anderson and seal a last eight clash against Fernando Verdasco, who defeated David Nalbandian 7-5, 6-1.

France's Adrian Mannarino, ranked 54th, enjoyed a remarkable success as he reached the last eight on his Queen's debut as the 22-year-old defeated former US Open champion Juan Martin del Potro 7-6 (7/3), 7-6 (9/7).

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