John Isner, of the United States, clenches his fist in victory after defeating Dudi Sela, of Israel, 6-3, 6-4 in the singles final at the Atlanta Open tennis tournament Sunday, July 27, 2014, in Atlanta. (AP Photo/David Tulis)

Atlanta Tennis Open

John Isner, of the United States, clenches his fist in victory after defeating Dudi Sela, of Israel, 6-3, 6-4 in the singles final at the Atlanta Open tennis tournament Sunday, July 27, 2014, in Atlanta. (AP Photo/David Tulis)

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