Two - time champion Roger Federer reaches quarterfinals with four - set win . Federer , who had to come from two sets down to defeat fellow 30-year-old Julien Benneteau on Friday , needed to call for a medical timeout to receive painkillers at 4-3 up in the opener . Swiss world No . 3 has back injury and long delay on Centre Court . Federer will next play Russian 26th seed Mikhail Youzhny in grass - court event . He has a possible semifinal against world No . 1 Novak Djokovic .
Two - time champion Roger Federer reaches quarterfinals with four - set win . Swiss world No . 3 has back injury and long delay on Centre Court . Federer will next play Russian 26th seed Mikhail Youzhny in grass - court event . He has a possible semifinal against world No . 1 Novak Djokovic .