Murray happy with latest US Open win

British number one Andy Murray hailed his victory over Stanislas Wawrinka at the US Open last night as the best performance of his grand slam career as he marched into quarter-finals in emphatic style.

Sixth seed Murray crushed Swiss 10th seed Wawrinka 6-1 6-3 6-3 in front of more than 23,000 fans on his debut at Arthur Ashe Stadium to reach the last eight of the final grand slam of the year for the first time.