Will the 🐐 return to the top? @rogerfederer is guaranteed the #1 world ranking next Monday if he advances to the SFs or better in Rotterdam. Is #Federer destined to make his way back to the top of the world? (📸: @cincytennis) #USOpenSeries _ #atp #tennis #sports #rogerfederer #instatennis #westernandsouthernopen #usopen