Gallery: 1/29
Roger Federer and Gael Monfils played late into the night Thursday in the U.S. Open quarterfinals. Let's take a look at the match in photos. (Getty)
Gallery: 1/29
Roger Federer and Gael Monfils played late into the night Thursday in the U.S. Open quarterfinals. Let's take a look at the match in photos. (Getty)