Most ‘Patriotic’ Open

• The US Open is officially called the United States Open tennis tournament.
• The US Open was known as the Patriotic Tournament in 1917 during World War I.
• The tournament is the modern version of one of the oldest tennis championships in the world, the US National Championship, for which men’s singles was first contested in 1881.
• In 1968 and 1969, both amateur and open championships were held.
• A five-set women’s final was played from 1887-1901.
• From 1884-1911 for men and from 1887-1918 for women, a challenge round system (in which the defending champion qualified for the following year’s final) was used.

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Groundbreaker 

• In 1970, the US Open was the first of the Grand Slam tournaments to introduce the tie-break at the end of a set. The US Open remains different from the other three Grand Slam tournaments in that there are final set tie-breaks.
• In 2006, the US Open became the first Grand Slam tournament to use Hawk-Eye to review umpire calls. It is now called the ‘Chase Review’.

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Oldest, youngest 

• The oldest champion was Bill Larned who was 38 years, 8 months and 3 days when he won the last of his seven singles titles in 1911.
• The youngest ladies singles champion was Tracy Austin (1979) who was 16 years, 8 months and 28 days.
• The youngest men’s singles champion was Pete Sampras (1990), who was aged 19 years and 28 days.
• The youngest player to ever win a match was Vincent Richards (1918), at the age of 15 years, 5 months and 8 days.

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5 hours, 26 minutes

• The longest match on record in the history of the US Championships was on September 12, 1992, in the men’s singles semifinals between Stefan Edberg and Michael Chang, which took five hours and 26 minutes.

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On the surface of it

• A hard-court tournament since 1978, the US Open was played on clay courts from 1975 to 1977. Before that, the tournament was played on grass.
• In 2005, all US Open and US Open Series tennis courts were given blue inner courts and green outer courts to make it easier to see the ball.

Prize money  $46,300,000

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Current champions

Men’s

• Novak Djokovic (singles) (in pic) 
• Pierre-Hugues Herbert/Nicolas Mahut (doubles)
• Most singles titles: 7 (Richard Sears, Bill Larned, Bill Tilden)

WoMen’s

• Flavia Pennetta (singles) (in pic)
• Martina Hingis/Sania Mirza (doubles)
• Most singles titles: 8 (Molla Bjurstedt  Mallory)

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mixed doubles

• Leander Paes/  Martina Hingis
• Most titles (male):  4 (Bill Tilden, Bill  Talbert, Bob Bryan)
• Most titles (female):  9 (Margaret Osborne duPont)