Isner inflicts more heartbreak on Robredo, Djokovic advances
John Isner got back to his winning third-set tiebreaker ways by overcoming a hard-luck Tommy Robredo 3-6, 7-5, 7-6(4) in the second round of a rain-soaked China Open on Wednesday. Isner is joined in the quarterfinals by Novak Djokovic.
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