Roger Federer has stretched his U.S. Open winning streak to 36 matches by reaching the third round. The top-seeded Federer beat 65th-ranked Simon Greul of Germany 6-3, 7-5, 7-5 Wednesday night before a night-session record crowd of 24,206. Federer is trying to become the first man since Bill Tilden in the 1920s to win the American Grand Slam tournament six years in a row. More...