The 2011 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. In the women's singles, Australia's Samantha Stosur had to play one of the longest women's singles matches, played one of the longest tie-breakers in US Open history, received her first ever...

The 2011 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. In the women's singles, Australia's Samantha Stosur had to play one of the longest women's singles matches, played one of the longest tie-breakers in US Open history, received her first ever code violation in her tennis career, had to wait three days to play her quarterfinal match, and being relocated from Arthur Ashe Stadium to the Grandstand in her semifinal match to reach her first ever US Open final. In the final, Stosur defeated Serena Williams in straight sets 6-2, 6-3 for her first Grand Slam title. Stosur thus became the first Australian female player to win a Grand Slam since Evonne Goolagong Cawley in 1980. In the men's singles, both Nadal and Novak Djokovic contested the final for the second consecutive year. This time, Djokovic won 6–2, 6–4, 6–7(3–7), 6–1 for his first ever US Open title.