The 2012 US Open was a tennis tournament played on the outdoor hard courts at the USTA Billie Jean King National Tennis Center in Flushing Meadows Park, of Queens, New York City, United States. It was played from August 27 to September 10. As a result of adverse weather conditions on September 8, which included a full evacuation of the National Tennis Center because of an upcoming tornado, another day was added to the schedule for the fifth straight year, with the women's final postponed to the afternoon of Sunday, September 9 rather than the previous evening, the men's semi-final between Novak Djokovic and David Ferrer suspended on September 8 and completed on September 9, and the men's final postponed to the afternoon of Monday, September 10.

Serena Jameka Williams is an American former professional tennis player. Widely regarded as one of the greatest tennis players of all time, she was ranked world No.1 in singles by the Women's Tennis Association (WTA) for 319 weeks, including a joint-record 186 consecutive weeks, and finished as the year-end No.1 five times. She won 23 major women's singles titles, the most in the Open Era, and the second-most of all time. She is the only player to accomplish a Career Golden Slam in both singles and doubles.