Day 10: Kei Nishikori awaits the winner of tonight’s matchup between @djokernole and @johnnyhm! Who will it be? Make your predictions with a ❤️ or a 💥 and tune-in to @espn for all the live action! _ #USOpen #tennis #quarterfinal #quarterfinals #sports #instatennis #instasport #nole #djokovic #novakdjokovic #djokernole #millman #johnmillman #USOpen50