John Isner needed 33 aces and two and a half hours to outlast Gilles Muller at the Atlanta Tennis Championships as the American registered his first win since making history at Wimbledon.
Marathon man Isner beat an inspired Muller 4-6, 7-6 (8/6), 7-6 (9/7) Wednesday, lifting his career record in final-set tiebreakers to 16-5.
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