Tennis Unrated: Tommy Haas enters his 1st QF since 2014 d. #Federer 2-6, 7-6, 6-4 in Stuttgart, only Roger's second loss of 2017. Send a 💚to congratulate both on an amazing effort! 📸: @tommyhaasofficial #USOpen _ #goat #tennis #tommyhaas #rogerfederer #grasscourt #instasport #instatennis