@johnrisner kicks off his @bbtatlantaopen defense in style with a 6-3, 6-2 win over #NextGenATP Aussie A. De Minaur. Give Big John a 👍 if you think he’s in for a big summer on the hard courts! _ #usta #ustennis #johnisner #bbtatlantaopen #atp #tennis #protennis #instatennis #instasports