Most US Open Men's Singles Titles - The most US Open singles tennis titles won by a man is seven. The record is shared by Bill Tilden (USA) who won in 1920-25 and 1929, Richard Sears (USA) who won in 1881-1887; and William Larned (USA) who took the title in 1901, 1902, and 1907-11.
Most US Open Titles Won by a Man - The most US Open Tennis titles won by a man is 16, by American Bill Tilden. Tilden won his first title, the mixed doubles, at the US Open in 1913, aged 20, but he did not achieve his first singles title until 1920. The US Open proved to be his most successful tournament, where he won seven singles, five doubles, and four mixed doubles trophies
Oldest US Open Tennis Champion - The oldest US Open Tennis winner is Margaret Du Pont, who won the mixed doubles in 1960 at the age of 42 years, 166 days. One of those tennis facts that will stand the test of time.
Oldest Men's US Singles Champion - William Larned of the USA was 38 years 242 days when he won the championship in 1911
Oldest US Women's Singles Champion - Maud Barger-Wallach was 37 years 244 days when she won the championship in 1908
Youngest Man to Win the US Open Singles Title - The youngest man to win the US Open Singles Tennis Championship is Pete Sampras (USA, August 12, 1971) who was 19 yr. 28 days old when he won on September 9, 1990.
Youngest US Open Women's Singles Champion - The youngest woman to win the US Open Singles Tennis Championship is Tracy Austin (December 12, 1962), who was 16-years, 271-days old when she won the women's singles in 1979.