After dropping the third set, he complained about the noise to chair umpire John Blom.

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The umpire gave the point - and with it the set - to Roddick, correctly ruling, much to Gonzalez's disgust, that the Chilean had let the ball go before the out call came.

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Henman was helped by a controversial over-rule from the umpire while facing break point at 4-4 in the opening set against ninth seed Lee.

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Nadal angrily threw down a ball and remonstrated with the umpire after Hawkeye overruled the line judge's decision in the first-set breaker.

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The Frenchman criticized the chair umpire after being docked a point for receiving coaching when on the verge on clinching the second set.

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