The 2012 U.S. Open continues Tuesday at the Billie Jean King National Tennis Center in Queens, N.Y., highlighted by opening-round matches from Andy Roddick, Novak Djokovic, Venus Williams and Serena Williams.

U.S. Open coverage from ESPN 2 will begin at 1:00 p.m. EST and run to 11:00 p.m. If available, the Tennis Channel will also have coverage of the tournament beginning at 11:00 a.m. and running until 7:00 p.m., as well as a recap show running from 11:00 p.m. to 6:00 a.m.

Tournament coverage will also be available online via the U.S. Open's official website. U.S. Open Live is your home for constant live coverage on all six tournament courts, covering more than 200 U.S. Open matches in all. This feature is free and available throughout the United States.

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