Ferrer beat Murray at the French Open, and the Scot is keenly aware of the threat posed by the fifth-seed reports BBC Sport.
Murray earlier booked his place in a fifth straight Wimbledon quarter-final with a 7-5 6-2 6-3 victory over Marin Cilic in a match heavily disrupted by rain on Court One, while Ferrer also completed a straight sets win over Argentianian Juan Martin del Potro.
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- Andy Murray celebrates winning his Singles fourth round match against Marin Cilic at the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club