“I still do believe that my best tennis is ahead of me.” After his #Wimbledon semifinal, @johnrisner is riding high in confidence ahead of his first match tonight at the #USOpenSeries @bbtatlantaopen. Give him a 🎾 if you agree! 📹: @bbtatlantaopen _ #usta #ustennis #johnisner #atp #bbtatlantaopen #tennis #protennis #instatennis