Cool Courts: If you love heights and thrills, then playing tennis 180 feet above ground on the side of a building might be up your alley! Leave a 🎾 if you’d ever do what these acrobats did to promote the Madrid Open in 2011! 📸: @mutuamadridopen #usta #coolcourts #playforlife #madridopen #tennis #protennis #atp #wta #instatennis #instasports #instawow