Open Era champions

2024: Aryna Sabalenka (2)
2023: Aryna Sabalenka
2022: Ashleigh Barty
2021: Naomi Osaka (2)
2020: Sofia Kenin
2019: Naomi Osaka
2018: Caroline Wozniacki
2017: Serena Williams (7)
2016: Angelique Kerber
2015: Serena Williams (6)
2014: Li Na
2013: Victoria Azarenka (2)
2012: Victoria Azarenka
2011: Kim Clijsters
2010: Serena Williams (5)
2009: Serena Williams (4)
2008: Maria Sharapova
2007: Serena Williams (3)
2006: Amelie Mauresmo
2005: Serena Williams (2)
2004: Justine Henin-Hardenne
2003: Serena Williams
2002: Jennifer Capriati (2)
2001: Jennifer Capriati
2000: Lindsay Davenport
1999: Martina Hingis (3)
1998: Martina Hingis (2)
1997: Martina Hingis
1996: Monica Seles (4)
1995: Mary Pierce
1994: Steffi Graf (4)
1993: Monica Seles (3)
1992: Monica Seles (2)
1991: Monica Seles
1990: Steffi Graf (3)
1989: Steffi Graf (2)
1988: Steffi Graf
1987: Hana Mandlikova (2)
1986: No competition due to date change
1985: Martina Navratilova (3)
1984: Chris Evert (2)
1983: Martina Navratilova (2)
1982: Chris Evert
1981: Martina Navratilova
1980: Hana Mandlikova
1979: Barbara Jordan
1978: Chris O'Neil
1977: Evonne Goolagong Cawley (4)
1977: Kerry Reid
1976: Evonne Goolagong Cawley (3)
1975: Evonne Goolagong Cawley (2)
1974: Evonne Goolagong Cawley
1973: Margaret Smith Court (11)
1972: Virginia Wade
1971: Margaret Smith Court (10)
1970: Margaret Smith Court (9)
1969: Margaret Smith Court (8)

Pre-Open Era champions

1968: Billie Jean King
1967: Nancy Richey
1966: Margaret Smith Court (7)
1965: Margaret Smith Court (6)
1964: Margaret Smith Court (5)
1963: Margaret Smith Court (4)
1962: Margaret Smith Court (3)
1961: Margaret Smith Court (2)
1960: Margaret Smith Court
1959: Mary Carter Reitano (2)
1958: Angela Mortimer
1957: Shirley Fry
1956: Mary Carter Reitano
1955: Beryl Penrose
1954: Thelma Long (2)
1953: Maureen Connolly
1952: Thelma Long
1951: Nancye Wynne Bolton (6)
1950: Louise Brough
1949: Doris Hart
1948: Nancye Wynne Bolton (5)
1947: Nancye Wynne Bolton (4)
1946: Nancye Wynne Bolton (3)
1945: No competition due to World War II
1944: No competition due to World War II
1943: No competition due to World War II
1942: No competition due to World War II
1941: No competition due to World War II
1940: Nancye Wynne Bolton (2)
1939: Emily Westacott
1938: Dorothy Bundy
1937: Nancye Wynne Bolton
1936: Joan Hartigan (3)
1935: Dorothy Round
1934: Joan Hartigan (2)
1933: Joan Hartigan
1932: Coral Buttsworth (2)
1931: Coral Buttsworth
1930: Daphne Akhurst (5)
1929: Daphne Akhurst (4)
1928: Daphne Akhurst (3)
1927: Esna Boyd
1926: Daphne Akhurst (2)
1925: Daphne Akhurst
1924: Sylvia Lance
1923: Mall Molesworth (2)
1922: Mall Molesworth