Roger Federer has not lost a set in five matches and has dropped serve just twice in his past 118 service games.
Roger Federer has not lost a set in five matches and has dropped serve just twice in his past 118 service games. Adam Hunger AP
Roger Federer has not lost a set in five matches and has dropped serve just twice in his past 118 service games. Adam Hunger AP

Federer dominating men’s division at U.S. Open

September 10, 2015 07:09 PM