From #ArthurAshe to @rogerfederer to #SteffiGraf and everyone in between, we are looking back at the best in #USOpen history! As we approach the 50th anniversary, use #USOpen50 to share your favorite on/off court moments to be featured on our interactive fan map! _ #tennis #openera #shareyourstory #bestmoments #instatennis #grandslam #usopentennis #flushingmeadows #rogerfederer #federer