NYT :: Sports

Top Men Advance but Are Pushed to the Limit

Roger Federer and Novak Djokovic, the second and third seeds, respectively, battled through five sets apiece to squeak by their opponents and into the quarterfinals.<br/><br/><span class="advertisement"> <a href="http://www.pheedo.com/click.phdo?x=9d31e63739f94ac9a3521c8cf5c5f216&u=http://www.nytimes.com/2008/09/03/sports/tennis/03day.html"><img src="http://www.pheedo.com/img.phdo?x=9d31e63739f94ac9a3521c8cf5c5f216&u=http://www.nytimes.com/2008/09/03/sports/tennis/03day.html" border="0"/></a> </span>