John Isner wins in straight sets
MEMPHIS, Tenn. -- Top-seed John Isner, playing for the first time since helping the U.S. defeat Switzerland in Davis Cup, defeated Gilles Muller of Luxembourg 7-6 (1), 7-6 (4) in the Regions Morgan Keegan Championships on Tuesday.
Isner, ranked a career-best No. 13 in the world, overpowered Muller with 26 aces, including five in the two tiebreakers. Isner also won 96 percent of his first-serve points. The 26-year-old advances to the second round, where he'll oppose American Donald Young.
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