John Isner rallies to beat Colombian qualifier in first round of Shanghai Masters
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John Isner rallied to beat Colombian qualifier Santiago Giraldo 4-6, 7-5, 7-5 on Monday in the first round of the Shanghai Masters.
The 14th-seeded American fought off three break points at 5-5 in the third set, then broke Giraldo for the second time to close out the match.
Isner could meet Rafael Nadal in the third round.
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Nadal, seeded second in Shanghai, supplanted Novak Djokovic as the top-ranked player on Monday, despite losing to the Serb in the final of the China Open in Beijing a day earlier.
Djokovic is the defending champion and seeded No. 1 in Shanghai. He could meet Roger Federer in the quarterfinals.
Djokovic, Nadal and Federer all have first-round byes.