Anything can happen in tennis! World No. 175 @the_kokk1 goes from qualifying wild card to front page headlines after a stunning 3-6, 6-3, 7-6 upset over World No. 1 Federer in R2 in Miami. Give Thanasi a 🇦🇺 for showing incredible tennis today! 📸 2017 #USOpen _ #thanasikokkinakis #kokkinakis #miami #atp #tennis #protennis #instatennis #instasports