Shaken by his shocking US Open quarter-final loss to Tomas Berdych, World No. 1 Roger Federer is going 'back to the drawing board' to try and pick up the pieces of a suddenly shattered season.

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Tomas Berdych was as giddy as a little boy after overpowering world number four Andy Murray in their Monte Carlo Masters quarter-final on Friday to set up a clash with top seed Novak Djokovic.

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