Former University of Georgia standout John Isner beat Jack Sock in the round of 16 at the Atlanta Open Thursday at Atlantic Station.
Isner, the sixth seed, prevailed 7-6 (6), 6-4.
Christopher O’Connell upset No. 2 seed Jannik Sinner 7-6 (7), 6-4.
Emil Ruusuvuori beat Benoit Paire 4-6, 6-4, 3-0, retired, and Cameron Norrie defeated Nick Kyrgios 6-1, 6-4.
Here’s results from the men’s doubles quarterfinals:
Matt Reid and Alexei Popyrin, Australia, def. Ken Skupski and Luke Bambridge (1), Britain, 3-6, 6-4, 10-6.
Miguel Angel Reyes-Varela, Mexico, and Marcelo Arevalo-Gonzalez, El Salvador, def. Matthew Ebden and John-Patrick Smith (4), Australia, 6-3, 3-6, 11-9.
Reilly Opelka, United States, and Jannik Sinner, Italy, def. Benoit Paire, France, and Treat Conrad Huey, Philippines, 7-6 (4), 6-4.
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