Isner, Opelka and Young reach Atlanta quarterfinals

BB&T ATLANTA OPEN—ATLANTA, GA, U.S.A.

Second-round results:

John Isner DEFEATS Adrian Mannarino 64 60
Reilly Opelka DEFEATS (3) Kevin Anderson 67(5) 63 75
(7) Donald Young DEFEATS Tim Smyczek 46 76(1) 63