Singles
| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 1976 | Betty Stöve | Margaret Court | 1–6, 6–4, 6–3 |
| 1977 | Virginia Wade | Martina Navratilova | 7–5, 5–7, 6–4 |
| 1978 | Virginia Wade | Betty Stöve | 6–4, 7–6 |
| 1979 | Billie Jean King | Evonne Goolagong | 6–4, 7–5 |
| 1980 | Billie Jean King | Terry Holladay | 7–5, 6–4 |
| 1981 | Ann Kiyomura | Bettina Bunge | 6–4, 7–5 |
| 1982 | Bettina Bunge | Barbara Potter | 7–6, 6–2 |
| 1983 | Lisa Bonder | Andrea Jaeger | 6–2, 5–7, 6–1 |
| 1984 | Manuela Maleeva | Claudia Kohde-Kilsch | 3–6, 6–4, 6–4 |
| 1985 | Manuela Maleeva (2) | Bonnie Gadusek | 7–6 (7–2) , 3–6, 7–5 |
| 1986 | Steffi Graf | Manuela Maleeva | 6–4, 6–2 |
| 1987 | Gabriela Sabatini | Manuela Maleeva-Fragnière | 6–4, 7–6 (8–6) |
| 1988 | Pam Shriver | Helena Suková | 7–5 6–1 |
| 1989 | Martina Navratilova | Lori McNeil | 6–7 (3–7) , 6–3, 7–6 (7–5) |
| ↓ Tier II tournament ↓ | |||
| 1990 | Steffi Graf (2) | Arantxa Sánchez Vicario | 6–1, 6–2 |
| 1991 | Gabriela Sabatini (2) | Martina Navratilova | 2–6, 6–2, 6–4 |
| 1992 | Gabriela Sabatini (3) | Martina Navratilova | 6–2, 4–6, 6–2 |
| ↓ Tier I tournament ↓ | |||
| 1993 | Martina Navratilova (2) | Larisa Savchenko-Neiland | 6–2, 6–2 |
| 1994 | Steffi Graf (3) | Martina Navratilova | 6–2, 6–4 |
| 1995 | Kimiko Date | Lindsay Davenport | 6–1, 6–2 |
| 1996 | Iva Majoli | Arantxa Sánchez Vicario | 6–4, 6–1 |
| 1997 | Martina Hingis | Steffi Graf | walkover |
| 1998 | Lindsay Davenport | Martina Hingis | 6–3, 6–3 |
| 1999 | Martina Hingis (2) | Amanda Coetzer | 6–2, 6–1 |
| 2000 | Martina Hingis (3) | Sandrine Testud | 6–3, 7–5 |
| 2001 | Lindsay Davenport (2) | Martina Hingis | 6–7 (4–7) , 6–4, 6–2 |
| 2002 | Martina Hingis (4) | Monica Seles | 7–6 (8–6) , 4–6, 6–3 |
| 2003 | Lindsay Davenport (3) | Monica Seles | 6–7 (6–8) , 6–1, 6–2 |
| 2004 | Lindsay Davenport (4) | Magdalena Maleeva | 6–4, 6–1 |
| 2005 | Maria Sharapova | Lindsay Davenport | 6–1, 3–6, 7–6 (7–5) |
| 2006 | Elena Dementieva | Martina Hingis | 6–2, 6–0 |
| 2007 | Martina Hingis (5) | Ana Ivanovic | 6–4, 6–2 |
| 2008 | Dinara Safina | Svetlana Kuznetsova | 6–1, 6–3 |
| ↓ Premier 5 Tournament ↓ | |||
| 2009 | Maria Sharapova (2) | Jelena Janković | 5–2, retired |
| 2010 | Caroline Wozniacki | Elena Dementieva | 1–6, 6–2, 6–3 |
| 2011 | Agnieszka Radwańska | Vera Zvonareva | 6–3, 6–2 |
| 2012 | Nadia Petrova | Agnieszka Radwańska | 6–0, 1–6, 6–3 |
| 2013 | Petra Kvitová | Angelique Kerber | 6–2, 0–6, 6–3 |
| ↓ Premier Tournament ↓ | |||
| 2014 | Ana Ivanovic | Caroline Wozniacki | 6–2, 7–6 (7–2) |
| 2015 | Agnieszka Radwańska (2) | Belinda Bencic | 6–2, 6–2 |
| 2016 | Caroline Wozniacki (2) | Naomi Osaka | 7–5, 6–3 |
| 2017 | Caroline Wozniacki (3) | Anastasia Pavlyuchenkova | 6–0, 7–5 |
| 2018 | Karolína Plíšková | Naomi Osaka | 6–4, 6–4 |
| 2019 | Naomi Osaka | Anastasia Pavlyuchenkova | 6–2, 6–3 |
Doubles
| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 1984 | Claudia Kohde-Kilsch | Elizabeth Sayers | 6–4, 6–4 |
| Helena Suková | Catherine Tanvier | ||
| 1985 | Claudia Kohde-Kilsch (2) | Marcella Mesker | 6–0, 6–4 |
| Helena Suková (2) | Elizabeth Sayers-Smylie | ||
| 1986 | Bettina Bunge | Katerina Maleeva | 6–1, 6–7 (4–7) , 6–2 |
| Steffi Graf | Manuela Maleeva | ||
| 1987 | Anne White | Katerina Maleeva | 6–1, 6–2 |
| Robin White | Manuela Maleeva-Fragnière | ||
| 1988 | Pam Shriver | Gigi Fernández | 4–6, 6–2, 7–6 (7–5) |
| Helena Suková (3) | Robin White | ||
| 1989 | Katrina Adams | Mary Joe Fernández | 6–3, 3–6, 7–6 (7–5) |
| Zina Garrison | Claudia Kohde-Kilsch | ||
| 1990 | Gigi Fernández | Jo-Anne Faull | 6–2, 6–2 |
| Elizabeth Sayers-Smylie | Rachel McQuillan | ||
| 1991 | Kathy Jordan | Mary Joe Fernández | 4–6, 6–0, 6–3 |
| Elizabeth Sayers-Smylie (2) | Robin White | ||
| 1992 | Arantxa Sánchez | Martina Navratilova | 7–5, 6–1 |
| Helena Suková (4) | Pam Shriver | ||
| ↓ Tier I tournament ↓ | |||
| 1993 | Martina Navratilova | Lori McNeil | 6–4, 6–3 |
| Helena Suková (5) | Rennae Stubbs | ||
| 1994 | Elizabeth Sayers-Smylie (3) | Manon Bollegraf | 6–3, 3–6, 7–6 (7–3) |
| Pam Shriver | Martina Navratilova | ||
| 1995 | Gigi Fernández (2) | Lindsay Davenport | 6–0, 6–3 |
| Natasha Zvereva | Rennae Stubbs | ||
| 1996 | Gigi Fernández (3) | Mariaan de Swardt | 7–6 (9–7) , 6–3 |
| Natasha Zvereva (2) | Irina Spîrlea | ||
| 1997 | Lindsay Davenport | Gigi Fernández | 6–4, 6–3 |
| Natasha Zvereva (3) | Martina Hingis | ||
| 1998 | Martina Hingis | Lindsay Davenport | 7–5, 6–4 |
| Mirjana Lučić | Natasha Zvereva | ||
| 1999 | Lindsay Davenport (2) | Martina Hingis | 6–2, 6–3 |
| Natasha Zvereva (4) | Jana Novotná | ||
| 2000 | Martina Hingis (2) | Alexandra Fusai | 6–4, 6–1 |
| Mary Pierce | Nathalie Tauziat | ||
| 2001 | Lisa Raymond | Anna Kournikova | 7–6 (7–5) , 2–6, 7–6 (8–6) |
| Rennae Stubbs | Iroda Tulyaganova | ||
| 2002 | Lisa Raymond (2) | Els Callens | 6–1, 6–1 |
| Rennae Stubbs (2) | Roberta Vinci | ||
| 2003 | Elena Bovina | Lindsay Davenport | 6–3, 6–4 |
| Rennae Stubbs (3) | Lisa Raymond | ||
| 2004 | Cara Black | Elena Likhovtseva | 6–0, 6–1 |
| Rennae Stubbs (4) | Magdalena Maleeva | ||
| 2005 | Janette Husárová | Lindsay Davenport | 6–4, 6–3 |
| Elena Likhovtseva | Corina Morariu | ||
| 2006 | Lisa Raymond (3) | Cara Black | 6–2, 6–1 |
| Samantha Stosur | Rennae Stubbs | ||
| 2007 | Lisa Raymond (4) | Vania King | 7–6 (8–6) , 3–6, 7–5 |
| Samantha Stosur (2) | Rennae Stubbs | ||
| 2008 | Vania King | Lisa Raymond | 6–1, 6–4 |
| Nadia Petrova | Samantha Stosur | ||
| ↓ Premier 5 Tournament ↓ | |||
| 2009 | Alisa Kleybanova | Daniela Hantuchová | 6–4, 6–2 |
| Francesca Schiavone | Ai Sugiyama | ||
| 2010 | Iveta Benešová | Shahar Pe'er | 6–4, 4–6, [10–8] |
| Barbora Záhlavová-Strýcová | Peng Shuai | ||
| 2011 | Liezel Huber | Gisela Dulko | 7–6 (7–4) , 0–6, [10–6] |
| Lisa Raymond (5) | Flavia Pennetta | ||
| 2012 | Raquel Kops-Jones | Anna-Lena Grönefeld | 6–1, 6–4 |
| Abigail Spears | Květa Peschke | ||
| 2013 | Cara Black (2) | Chan Hao-ching | 4–6, 6–0, [11–9] |
| Sania Mirza | Liezel Huber | ||
| ↓ Premier Tournament ↓ | |||
| 2014 | Cara Black (3) | Garbiñe Muguruza | 6–2, 7–5 |
| Sania Mirza (2) | Carla Suárez Navarro | ||
| 2015 | Garbiñe Muguruza | Chan Hao-ching | 7–5, 6–1 |
| Carla Suárez Navarro | Chan Yung-jan | ||
| 2016 | Sania Mirza (3) | Liang Chen | 6–1, 6–1 |
| Barbora Strýcová (2) | Yang Zhaoxuan | ||
| 2017 | Andreja Klepač | Daria Gavrilova | 6–3, 6–2 |
| María José Martínez Sánchez | Daria Kasatkina | ||
| 2018 | Miyu Kato | Andrea Sestini Hlaváčková | 6–4, 6–4 |
| Makoto Ninomiya | Barbora Strýcová | ||
| 2019 | Chan Hao-ching Latisha Chan | Hsieh Su-wei Hsieh Yu-chieh | 7–5, 7–5 |