Federer Practice - US Open 2015 Federer Training - US Open 2015 Roger Federer Practice Session - US Open 2015.\r<br>\r<br>Roger Federer vs Stan Wawrinka practice us open 2015 court level view (HD)\r<br>\r<br>tennis practice, テニス練習, tennistraining Novak djokovic Trainning, Highlights Trainning, Roger Federer Trainning, Rafael Nadal Trainning, Andy Murray .\r<br>\r<br>Roger Federer practicing at Court 17 during the 2015 US Open.\r<br>\r<br> Roger Federer training on the clay courts of Monte Carlo Country Club, April 2014. Produced by Top-Tennis-Training.