Wimbledon 2012: Castle backs Andy Murray to beat David Ferrer

BBC Sport's Andrew Castle believes Andy Murray must "earn every point" against quarter-final opponent David Ferrer, but believes Murray can beat the Spaniard when they meet on Wednesday on Centre Court.

Castle, a former British number one, also predicts wins for Novak Djokovic and Jo-Wilfried Tsonga, and believes Roger Federer will "run through" Mikhail Youzhny when they meet on Centre Court before Murray and Ferrer.

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