Here's what you need to know about the U.S. Open Tennis Tournament.
It takes place at the USTA Billie Jean King National Tennis Center in Arthur Ashe Stadium, Flushing Meadows, Queens, New York. It is the only Grand Slam Tennis championship held in North America.
August 25, 2014-September 8, 2014 - The U.S. Open Tennis Tournament will take place in Flushing Meadows, New York.
2013 Results: Rafael Nadal wins the men's title, defeating Novak Djokovic.
Serena Williams wins the women's title, defeating Victoria Azarenka.
Other Facts: The U.S. Open is one of four "Grand Slam" tournaments, along with the Australian Open, Wimbledon, and the French Open.
Matches are in five categories: men's singles and doubles, women's singles and doubles, and mixed doubles.
Since 1978, the matches have been played on a hard-court surface covered with "DecoTurf" artificial grass.
Total base prize money for 2013 is a record $34.3 million, with a top prize of $2.6 million for both the men's and women's singles champions.
Most singles finals without losing: Richard Sears (men's) - 7 - (1881-87)
Alice Marble (women's) - 4 - (1936, 1938-40)
Most singles finals (win or lose): Bill Tilden (men's) - 10 - (1918-25, 1927, 1929)
Molla B. Mallory (women's) - 10 - (1915-18, 1920-24, 1926)
Most tournaments played (entire US Open, not just finals): Vic Seixas (men's) - 28 - (1940-42, 1944, 1946-69)
Martina Navratilova (women's) - 21 - (1973-93)
Winner of Most Men's Singles Titles: Pre-1968 - Richard Sears, William Tilden, Bill Larned (tied with 7)
Post-1968 - Jimmy Connors, Pete Sampras, Roger Federer (tied with 5)
Winner of Most Women's Singles Titles: Pre-1968 - Molla B. Mallory (8)
Post-1968 - Chris Evert (6)
Winner of Most Consecutive Men's Titles: Pre-1968 - Richard Sears (7)
Post-1968 - Roger Federer (5)
Winner of Most Consecutive Women's Titles: Pre-1968 - Molla B. Mallory, Helen Jacobs (4)
Post-1968 - Chris Evert (4)
Timeline: 1881 - Begins as a singles men's tournament, for entertainment purposes only. The United States Championship is held at The Casino in Newport, Rhode Island. Richard D. Sears is the first champion.
1887 - Ellen Hansel is the first female singles winner.