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Incensed and even a little indignant, Rafael Nadal displayed a rare fit of fury Friday at the ATP World Tour Finals. The top-ranked Spaniard was enraged when the chair umpire awarded Tomas Berdych a point after a challenge in the first set of his final round-robin match at the O2 Arena. "There is no argument," said Nadal, who went on to win 7-6 (3), 6-1.
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