Singles
| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 1971 | Billie Jean King | Rosemary Casals | 6–3, 6–4 |
| 1972 | Billie Jean King (2) | Kerry Melville | 7–6 (5–0) , 7–6 (5–2) |
| 1973 | Margaret Court | Kerry Melville | 6–3, 6–3 |
| 1974 | Billie Jean King (3) | Chris Evert | 7–6 (5–2) , 6–2 |
| 1975 | Chris Evert | Billie Jean King | 6–1, 6–1 |
| 1976 | Chris Evert (2) | Evonne Goolagong Cawley | 7–5, 7–6 (5–2) |
| 1977 | Sue Barker | Virginia Wade | 6–3, 6–4 |
| 1978 | Not held | ||
| 1979 | Martina Navratilova | Chris Evert | 7–5, 7–5 |
| 1980 | Martina Navratilova (2) | Evonne Goolagong Cawley | 6–1, 7–6 (7–4) |
| 1981 | Andrea Jaeger | Virginia Wade | 6–3, 6–1 |
| 1982 | Andrea Jaeger (2) | Chris Evert | 7–6 (7–5) , 6–4 |
| 1983 | Bettina Bunge | Sylvia Hanika | 6–3, 6–3 |
| 1984 | Hana Mandlíková | Martina Navratilova | 7–6 (8–6) , 3–6, 6–4 |
| 1985 | Hana Mandlíková (2) | Chris Evert | 6–2, 6–4 |
| 1986 | Chris Evert | Kathy Jordan | 6–2, 6–4 |
| 1987 | Zina Garrison | Sylvia Hanika | 7–5, 4–6, 6–3 |
| 1988 | Martina Navratilova (3) | Larisa Savchenko | 6–1, 6–2 |
| 1989 | Zina Garrison | Larisa Savchenko | 6–1, 6–1 |
| ↓ Tier II tournament ↓ | |||
| 1990 | Monica Seles | Martina Navratilova | 6–3, 7–6 (7–5) |
| 1991 | Martina Navratilova (4) | Monica Seles | 6–3, 3–6, 6–3 |
| 1992 | Monica Seles (2) | Martina Navratilova | 6–3, 6–4 |
| 1993 | Martina Navratilova (5) | Zina Garrison | 6–2, 7–6 (7–1) |
| 1994 | Arantxa Sánchez Vicario | Martina Navratilova | 1–6, 7–6 (7–5) , 7–6 (7–5) |
| 1995 | Magdalena Maleeva | Ai Sugiyama | 6–3, 6–4 |
| 1996 | Martina Hingis | Monica Seles | 6–2, 6–0 |
| 1997 | Martina Hingis | Conchita Martínez | 6–0, 6–2 |
| 1998 | Lindsay Davenport | Venus Williams | 6–4, 5–7, 6–4 |
| 1999 | Lindsay Davenport | Venus Williams | 7–6 (7–1) , 6–2 |
| 2000 | Venus Williams | Lindsay Davenport | 6–1, 6–4 |
| 2001 | Kim Clijsters | Lindsay Davenport | 6–4, 6–7 (5–7) , 6–1 |
| 2002 | Venus Williams | Kim Clijsters | 6–3, 6–3 |
| 2003 | Kim Clijsters | Jennifer Capriati | 4–6, 6–4, 6–2 |
| 2004 | Lindsay Davenport | Venus Williams | 7–6 (7–4) , 5–7, 7–6 (7–4) |
| 2005 | Kim Clijsters | Venus Williams | 7–5, 6–2 |
| 2006 | Kim Clijsters | Patty Schnyder | 6–4, 6–2 |
| 2007 | Anna Chakvetadze | Sania Mirza | 6–3, 6–2 |
| 2008 | Aleksandra Wozniak | Marion Bartoli | 7–5, 6–3 |
| ↓ Premier tournament ↓ | |||
| 2009 | Marion Bartoli | Venus Williams | 6–2, 5–7, 6–4 |
| 2010 | Victoria Azarenka | Maria Sharapova | 6–4, 6–1 |
| 2011 | Serena Williams | Marion Bartoli | 7–5, 6–1 |
| 2012 | Serena Williams | Coco Vandeweghe | 7–5, 6–3 |
| 2013 | Dominika Cibulková | Agnieszka Radwańska | 3–6, 6–4, 6–4 |
| 2014 | Serena Williams | Angelique Kerber | 7–6 (7–1) , 6–3 |
| 2015 | Angelique Kerber | Karolína Plíšková | 6–3, 5–7, 6–4 |
| 2016 | Johanna Konta | Venus Williams | 7–5, 5–7, 6–2 |
| 2017 | Madison Keys | Coco Vandeweghe | 7–6 (7–4) , 6–4 |
| 2018 | Mihaela Buzărnescu | Maria Sakkari | 6–1, 6–0 |
| 2019 | Zheng Saisai | Aryna Sabalenka | 6−3, 7−6(7−3) |
| 2020 |
Doubles
| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 1971 | Rosemary Casals | Françoise Dürr | 6–4, 6–7, 6–1 |
| Billie Jean King | Ann Haydon-Jones | ||
| 1972 | Rosemary Casals (2) | Françoise Dürr | 6–3, 5–7, 6–2 |
| Virginia Wade | Judy Tegart Dalton | ||
| 1973 | Margaret Court | Wendy Overton | 6–1, 7–5 |
| Lesley Hunt | Valerie Ziegenfuss | ||
| 1974 | Chris Evert | Françoise Dürr | 6–4, 6–2 |
| Billie Jean King | Betty Stöve | ||
| 1975 | Chris Evert (2) | Rosemary Casals | 6–2, 7–5 |
| Billie Jean King (2) | Virginia Wade | ||
| 1976 | Billie Jean King (3) | Rosemary Casals | 6–4, 6–1 |
| Betty Stöve | Françoise Dürr | ||
| 1977 | Kerry Reid | Sue Barker | 6–3, 6–1 |
| Greer Stevens | Ann Kiyomura | ||
| 1978 | Not held | ||
| 1979 | Rosemary Casals (3) | Tracy Austin | 3–6, 6–4, 6–3 |
| Chris Evert (3) | Betty Stöve | ||
| 1980 | Sue Barker | Greer Stevens | 6–0, 6–4 |
| Ann Kiyomura | Virginia Wade | ||
| 1981 | Rosemary Casals (4) | Martina Navratilova | 6–1, 6–4 |
| Wendy Turnbull | Virginia Wade | ||
| 1982 | Barbara Potter | Kathy Jordan | 6–1, 3–6, 7–6 (7–5) |
| Sharon Walsh | Pam Shriver | ||
| 1983 | Claudia Kohde-Kilsch | Rosemary Casals | 6–4, 4–6, 6–4 |
| Eva Pfaff | Wendy Turnbull | ||
| 1984 | Martina Navratilova | Rosemary Casals | 6–2, 6–3 |
| Pam Shriver | Alycia Moulton | ||
| 1985 | Hana Mandlíková | Rosalyn Fairbank | 4–6, 7–5, 6–1 |
| Wendy Turnbull | Candy Reynolds | ||
| 1986 | Hana Mandlíková (2) | Bonnie Gadusek | 7–6 (7–5) , 6–1 |
| Wendy Turnbull (3) | Helena Suková | ||
| 1987 | Hana Mandlíková (3) | Zina Garrison | 6–4, 7–6 (7–4) |
| Wendy Turnbull (4) | Gabriela Sabatini | ||
| 1988 | Rosemary Casals (5) | Hana Mandlíková | 6–4, 6–4 |
| Martina Navratilova (2) | Jana Novotná | ||
| 1989 | Patty Fendick | Larisa Savchenko | 7–5, 3–6, 6–2 |
| Jill Hetherington | Natalia Zvereva | ||
| 1990 | Meredith McGrath | Rosalyn Fairbank | 2–6, 6–0, 6–4 |
| Anne Smith | Robin White | ||
| 1991 | Patty Fendick (2) | Martina Navratilova | 6–4, 7–5 |
| Gigi Fernández | Pam Shriver | ||
| 1992 | Gigi Fernández (2) | Rosalyn Fairbank-Nideffer | 3–6, 6–2, 6–4 |
| Natalia Zvereva | Gretchen Rush Magers | ||
| 1993 | Patty Fendick (3) | Amanda Coetzer | 6–2, 6–0 |
| Meredith McGrath (2) | Inés Gorrochategui | ||
| 1994 | Lindsay Davenport | Gigi Fernández | 7–5, 6–4 |
| Arantxa Sánchez | Martina Navratilova | ||
| 1995 | Lori McNeil | Katrina Adams | 3–6, 6–4, 6–3 |
| Helena Suková | Zina Garrison Jackson | ||
| 1996 | Lindsay Davenport (2) | Irina Spîrlea | 6–1, 6–3 |
| Mary Joe Fernández | Nathalie Tauziat | ||
| 1997 | Lindsay Davenport (3) | Conchita Martínez | 6–1, 6–3 |
| Martina Hingis | Patricia Tarabini | ||
| 1998 | Lindsay Davenport (4) | Larisa Savchenko Neiland | 6–4, 6–4 |
| Natasha Zvereva (2) | Elena Tatarkova | ||
| 1999 | Lindsay Davenport (5) | Anna Kournikova | 6–4, 6–4 |
| Corina Morariu | Elena Likhovtseva | ||
| 2000 | Chanda Rubin | Cara Black | 6–4, 6–4 |
| Sandrine Testud | Amy Frazier | ||
| 2001 | Janet Lee | Nicole Arendt | 3–6, 6–3, 6–3 |
| Wynne Prakusya | Caroline Vis | ||
| 2002 | Lisa Raymond | Janette Husárová | 6–1, 6–1 |
| Rennae Stubbs | Conchita Martínez | ||
| 2003 | Cara Black | Cho Yoon-jeong | 7–6 (7–5) , 6–1 |
| Lisa Raymond (2) | Francesca Schiavone | ||
| 2004 | Eleni Daniilidou | Iveta Benešová | 6–2, 6–4 |
| Nicole Pratt | Claudine Schaul | ||
| 2005 | Cara Black (2) | Elena Likhovtseva | 6–3, 7–5 |
| Rennae Stubbs (2) | Vera Zvonareva | ||
| 2006 | Anna-Lena Grönefeld | Maria Elena Camerin | 6–1, 6–4 |
| Shahar Pe'er | Gisela Dulko | ||
| 2007 | Sania Mirza | Victoria Azarenka | 6–4, 7–6 (7–5) |
| Shahar Pe'er (2) | Anna Chakvetadze | ||
| 2008 | Cara Black (3) | Elena Vesnina | 6–4, 6–3 |
| Liezel Huber | Vera Zvonareva | ||
| ↓ Premier tournament ↓ | |||
| 2009 | Serena Williams | Chan Yung-jan | 6–4, 6–1 |
| Venus Williams | Monica Niculescu | ||
| 2010 | Lindsay Davenport (6) | Chan Yung-jan | 7–5, 6–7 (8–10) , 10–8 |
| Liezel Huber (2) | Zheng Jie | ||
| 2011 | Victoria Azarenka | Liezel Huber | 6–1, 6–3 |
| Maria Kirilenko | Lisa Raymond | ||
| 2012 | Marina Erakovic | Jarmila Gajdošová | 7–5, 7–6 (9–7) |
| Heather Watson | Vania King | ||
| 2013 | Raquel Kops-Jones | Julia Görges | 6–2, 7–6 (7–4) |
| Abigail Spears | Darija Jurak | ||
| 2014 | Garbiñe Muguruza | Paula Kania | 6–2, 4–6, [10–5] |
| Carla Suárez Navarro | Kateřina Siniaková | ||
| 2015 | Xu Yifan | Anabel Medina Garrigues | 6–1, 6–3 |
| Zheng Saisai | Arantxa Parra Santonja | ||
| 2016 | Raquel Atawo (2) | Darija Jurak | 6–3, 6–4 |
| Abigail Spears (2) | Anastasia Rodionova | ||
| 2017 | Abigail Spears (3) | Alizé Cornet | 6–2, 6–3 |
| Coco Vandeweghe | Alicja Rosolska | ||
| 2018 | Latisha Chan | Lyudmyla Kichenok | 6–4, 6–1 |
| Květa Peschke | Nadiia Kichenok | ||
| 2019 | Nicole Melichar Květa Peschke | Shuko Aoyama Ena Shibahara | 6–4, 6–4 |