Top seed John Isner reacts after defeating Dennis Novikov, 6-4, 6-4, in their quarterfinal match at the Hall of Fame Tennis Championships, Friday, July 21, 2017, in Newport, R.I. (AP Photo/Elise Amendola)
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Top seed John Isner reacts after defeating Dennis Novikov, 6-4, 6-4, in their quarterfinal match at the Hall of Fame Tennis Championships, Friday, July 21, 2017, in Newport, R.I. (AP Photo/Elise Amendola)
