2012 - Serena Williams def. Victoria Azarenka, 6-2, 2-6, 7-5.
2011 - Sam Stosur def. Serena Williams, 6-2, 6-3.
2010 - Kim Clijsters def. Vera Zvonareva, 6-2, 6-1.
2009 - Kim Clijsters def. Caroline Wozniacki, 7-5, 6-3.
2008 - Serena Williams def. Jelena Jankovic, 6-4, 7-5.
2007 - Justine Henin def. Svetlana Kuznetsova, 6-1, 6-3.
2006 - Maria Sharapova def. Justine Henin-Hardenne, 6-4, 6-4.
2005 - Kim Clijsters def. Mary Pierce, 6-3, 6-1.
2004 - Svetlana Kuznetsova def. Elena Dementieva, 6-3, 7-5.
2003 - Justine Henin-Hardenne def. Kim Clijsters, 7-5, 6-1.
2002 - Serena Williams def. Venus Williams, 6-4, 6-3.
2001 - Venus Williams def. Serena Williams, 6-2, 6-4.
2000 - Venus Williams def. Lindsay Davenport, 6-4, 7-5.
1999 - Serena Williams def. Martina Hingis, 6-3, 7-6 (4).
1998 - Lindsay Davenport def. Martina Hingis, 6-3, 7-5.
1997 - Martina Hingis def. Venus Williams, 6-0, 6-4.
1996 - Steffi Graf def. Monica Seles, 7-5, 6-4.
1995 - Steffi Graf def. Monica Seles, 7-6 (6), 0-6, 6-3.
1994 - Arantxa Sanchez-Vicario def. Steffi Graf, 1-6, 7-6 (3), 6-4.
1993 - Steffi Graf def. Helena Sukova, 6-3, 6-3.
1992 - Monica Seles def. Arantxa Sanchez-Vicario, 6-3, 6-3.
1991 - Monica Seles def. Martina Navratilova, 7-6 (1), 6-1.
1990 - Gabriela Sabatini def. Steffi Graf, 6-2, 7-6 (4).
1989 - Steffi Graf def. Martina Navratilova, 3-6, 7-5, 6-1.
1988 - Steffi Graf def. Gabriela Sabatini, 6-3, 3-6, 6-1.
1987 - Martina Navratilova def. Steffi Graf, 7-6 (4), 6-1.
1986 - Martina Navratilova def. Helena Sukova, 6-3, 6-2.
1985 - Hana Mandlikova def. Martina Navratilova, 7-6 (3), 1-6, 7-6 (2).
1984 - Martina Navratilova def. Chris Evert Lloyd, 4-6, 6-4, 6-4.
1983 - Martina Navratilova def. Chris Evert Lloyd, 6-1, 6-3.
1982 - Chris Evert Lloyd def. Hana Mandlikova, 6-3, 6-1.
1981 - Tracy Austin def. Martina Navratilova, 1-6, 7-6 (4), 7-6 (1).
1980 - Chris Evert Lloyd def. Hana Mandlikova, 5-7, 6-1, 6-1.
1979 - Tracy Austin def. Chris Evert Lloyd, 6-4, 6-3.
1978 - Chris Evert def. Pam Shriver, 7-5, 6-4.
1977 - Chris Evert def. Wendy Turnbull, 7-6 (5-3), 6-2.
1976 - Chris Evert def. Evonne Goolagong, 6-3, 6-0.
1975 - Chris Evert def. Evonne Goolagong, 5-7, 6-4, 6-2.
1974 - Billie Jean King def. Evonne Goolagong, 3-6, 6-3, 7-5.
1973 - Margaret Smith Court def. Evonne Goolagong, 7-6 (5-2), 5-7, 6-2.
1972 - Billie Jean King def. Kerry Melville, 6-3, 7-5.
1971 - Billie Jean King def. Rosie Casals, 6-4, 7-6 (5-2).
1970 - Margaret Smith Court def. Rosie Casals, 6-2, 2-6, 6-1.
1969 - Margaret Smith Court def. Nancy Richey, 6-3, 6-1.
1968 - Virginia Wade def. Billie Jean King, 6-4, 6-2.
1967 - Billie Jean King def. Ann Haydon Jones, 11-9, 6-4.
1966 - Maria Bueno def. Nancy Richey, 6-3, 6-1.
1965 - Margaret Smith def. Billie Jean Moffitt, 8-6, 7-5.
1964 - Maria Bueno def. Carole Caldwell Graebner, 6-1, 6-0.
1963 - Maria Bueno def. Margaret Smith, 7-5, 6-4.
1962 - Margaret Smith def. Darlene Hard, 9-7, 6-4.
1961 - Darlene Hard def. Ann Haydon, 6-3, 6-4.
1960 - Darlene Hard def. Maria Bueno, 6-4, 10-12, 6-4.
1959 - Maria Bueno def. Christine Truman, 6-1, 6-4.
1958 - Althea Gibson def. Darlene Hard, 3-6, 6-1, 6-2.
1957 - Althea Gibson def. Louise Brough, 6-3, 6-2.
1956 - Shirley Fry def. Althea Gibson, 6-3, 6-4.
1955 - Doris Hart def. Patricia Ward, 6-4, 6-2.
1954 - Doris Hart def. Louise Brough, 6-8, 6-1, 8-6.
1953 - Maureen Connolly def. Doris Hart, 6-2, 6-4.
1952 - Maureen Connolly def. Doris Hart, 6-3, 7-5.
1951 - Maureen Connolly def. Shirley Fry, 6-3, 1-6, 6-4.
1950 - Margaret Osbourne duPont def. Doris Hart, 6-4, 6-3.
1949 - Margaret Osbourne duPont def. Doris Hart, 6-4, 6-1.
1948 - Margaret Osbourne duPont def. Louise Brough, 4-6, 6-4, 15-13.
1947 - Louise Brough def. Margaret Osborne, 8-6, 4-6, 6-1.
1946 - Pauline Betz def. Pat Canning, 11-9, 6-3.
1945 - Sarah Palfrey Cooke def. Pauline Betz, 3-6, 8-6, 6-4.
1944 - Pauline Betz def. Margaret Osborne, 6-3, 8-6.
1943 - Pauline Betz def. Louise Brough, 6-3, 5-7, 6-3.
1942 - Pauline Betz def. Louise Brough, 4-6, 6-1, 6-4.
1941 - Sarah Palfrey Cooke def. Pauline Betz, 7-5, 6-2.
1940 - Alice Marble def. Helen Jacobs, 6-2, 6-3.
1939 - Alice Marble def. Helen Jacobs, 6-0, 8-10, 6-4.
1938 - Alice Marble def. Nancye Wynne, 6-0, 6-3.
1937 - Anita Lizana def. Jadwiga Jedrzejowska, 6-4, 6-2.
1936 - Alice Marble def. Helen Jacobs, 4-6, 6-3, 6-2.
1935 - Helen Jacobs def. Sarah Palfrey Fabyan, 6-2, 6-4.
1934 - Helen Jacobs def. Sarah Palfrey, 6-1, 6-4.
1933 - Helen Jacobs def. Helen Wills Moody, 8-6, 3-6, 3-0, retired.
1932 - Helen Jacobs def. Carolin Babcock, 6-2, 6-2.
1931 - Helen Wills Moody def. Eileen Bennett Whittingstall, 6-4, 6-1.
1930 - Betty Nuthall def. Anna McCune Harper, 6-1, 6-4.
1929 - Helen Wills def. Phoebe Holcroft Watson, 6-4, 6-2.
1928 - Helen Wills def. Helen Jacobs, 6-2, 6-1.
1927 - Helen Wills def. Betty Nuthall, 6-1, 6-4.
1926 - Molla Bjurstedt Mallory def. Elizabeth Ryan, 4-6, 6-4, 9-7.
1925 - Helen Wills def. Kitty McKane, 3-6, 6-0, 6-2.
1924 - Helen Wills def. Molla Bjurstedt Mallory, 6-1, 6-3.
1923 - Helen Wills def. Molla Bjurstedt Mallory, 6-2, 6-1.
1922 - Molla Bjurstedt Mallory def. Helen Wills, 6-3, 6-1.
1921 - Molla Bjurstedt Mallory def. Mary K. Browne, 4-6, 6-4, 6-2.
1920 - Molla Bjurstedt Mallory def. Marion Zinderstein, 6-3, 6-1.
1919 - Hazel Hotchkiss Wightman def. Marion Zinderstein, 6-1, 6-2.
1918 - Molla Bjurstedt def. Eleanor Goss, 6-4, 6-3.
1917 - Molla Bjurstedt def. Marion Vanderhoef, 4-6, 6-0, 6-2.
1916 - Molla Bjurstedt def. Louise Hammond Raymond, 6-0, 6-1.
1915 - Molla Bjurstedt def. Hazel Hotchkiss Wightman, 4-6, 6-2, 6-0.
1914 - Mary K. Browne def. Marie Wagner, 6-2, 1-6, 6-1.
1913 - Mary K. Browne def. Dorothy Green, 6-2, 7-5.
1912 - Mary K. Browne def. Eleonora Sears, 6-4, 6-2.
1911 - Hazel Hotchkiss def. Florence Sutton, 8-10, 6-1, 9-7.
1910 - Hazel Hotchkiss def. Louise Hammond, 6-4, 6-2.
1909 - Hazel Hotchkiss def. Maud Barger Wallach, 6-0, 6-1.
1908 - Maud Barger Wallach def. Evelyn Sears, 6-3, 1-6, 6-3.
1907 - Evelyn Sears def. Carrie Neely, 6-3, 6-2.
1906 - Helen Homans def. Maud Barger Wallach, 6-4, 6-3.
1905 - Elizabeth Moore def. Helen Homans, 6-4, 5-7, 6-1.
1904 - May Sutton def. Elizabeth Moore, 6-1, 6-2.
1903 - Elizabeth Moore def. Marion Jones, 7-5, 8-6.
1902 - Marion Jones def. Elizabeth Moore, 6-1, 1-0, retired.
1901 - Elizabeth Moore def. Myrtle McAteer, 6-4, 3-6, 7-5, 2-6, 6-2.
1900 - Myrtle McAteer def. Edith Parker, 6-2, 6-2, 6-0.
1899 - Marion Jones def. Maud Banks, 6-1, 6-1, 7-5.
1898 - Juliette Atkinson def. Marion Jones, 6-3, 5-7, 6-4, 2-6, 7-5.
1897 - Juliette Atkinson def. Elizabeth Moore, 6-3, 6-3, 4-6, 3-6, 6-3.
1896 - Elizabeth Moore def. Juliette Atkinson, 6-4, 4-6, 6-2, 6-2.
1895 - Juliette Atkinson def. Helen Hellwig, 6-4, 6-2, 6-1.
1894 - Helen Hellwig def. Aline Terry, 7-5, 3-6, 6-0, 3-6, 6-3.
1893 - Aline Terry def. Augusta Schultz Hobart, 6-1, 6-3.
1892 - Mabel Cahill def. Elizabeth Moore, 5-7, 6-3, 6-4, 4-6, 6-2.
1891 - Mabel Cahill def. Ellen Roosevelt, 6-4, 6-1, 4-6, 6-3.
1890 - Ellen Roosevelt def. Bertha Townsend, 6-2, 6-2.
1889 - Bertha Townsend def. Louise Voorhees, 7-5, 6-2.
1888 - Bertha Townsend def. Ellen Hansell, 6-3, 6-5.
1887 - Ellen Hansell def. Laura Knight, 6-1, 6-0.
Prior to 1968, the United States National Championships was an amateur event. It became the U.S. Open in 1968 when the tournament was open to professionals.
