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CINCINNATI - AUGUST 19: Andy Murray of Great Britain signs the Barclays ATP World Tour Finals leader board after qualifying for the eight-man event held at The O2 in London, November 22-29 during day three of the Western & Southern Financial Group Masters on August 19, 2009 at the Lindner Family Tennis Center in Cincinnati, Ohio. (Photo by Nick Laham/Getty Images)

CINCINNATI - AUGUST 19:  Andy Murray of Great Britain signs the Barclays ATP World Tour Finals leader board after qualifying for the eight-man event held at The O2 in London, November 22-29 during day three of the Western & Southern Financial Group Masters on August 19, 2009 at the Lindner Family Tennis Center in Cincinnati, Ohio.  (Photo by Nick Laham/Getty Images)