Federer wins, to stay No. 1 for 300th week

SHANGHAI (AP) - With another win at the Shanghai Masters, Roger Federer guaranteed himself the No. 1 ranking for the 300th week of his career.

The top-ranked Swiss beat Davis Cup team-mate Stanislas Wawrinka 4-6, 7-6 (4/7), 6-0 on Thursday in the third round of the Shanghai Masters.

Federer struggled to string points together early, with his backhand looking shaky through much of the first two sets, but he recovered late and advanced to the quarter-finals.

"It's obviously an amazing number and I never thought of anything like this when I was a little kid," he said. "I just thought one day my dream would come true to play on the tour.