Novak Djokovic, the defending U.S. Open champion and No. 2 seed on the men's side, and Andy Roddick, who announced that he'd retire after the 2012 U.S. Open, are among the notables in action Sunday.
Djokovic faces Julien Benneteau of France at 11 a.m. in a third round matchup. Roddick faces Italy's Fabio Fognini at approximately 1:30 p.m. in a third round match.
In women's action, No. 3 seed Maria Sharapova faces Nadia Petrova at 7 p.m. in a fourth round matchup. See the complete 2012 U.S. Open schedule for Sunday at the U.S. Open website.
Both the men's and women's top seeds advanced yesterday. Roger Federer beat Fernando Verdasco, setting up a fourth round matchup between Federer and Edina, Minn., native Mardy Fish. Serena Williams beat Ekaterina Makarova to advance.
TV coverage of today's matches is from 11 a.m. to 6 p.m. on CBS and from 7 p.m. to 11 p.m. on The Tennis Channel.