Isner Advances to Delray Beach International Quarterfinals
American John Isner defeated fellow countryman Ryan Sweeting in straight sets, 6-3, 6-4, to advance to the Delray Beach International Tennis Championship quarterfinals. The 11th-ranked Isner showed a stronger fight this match compared to his struggle during his first round win over Jesse Levine. “Whenever, in the past, when I’ve played tournaments in humidity I’ve…

