Federer First Grass Practice Stuttgart 2017 Jun 11, 2017 Roger Federer is back on the ATP World Tour after a two-month break. Watch his first grass-court practice with Tommy Haas, and hear from MercedesCup Tournament Director Edwin Weindorfer. Tags: 2017 Roger Federer Stuttgart Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus