WTA tournament
Washington
Premier · Hard · 28 editions on record, 1972–2025.
Most titles
- Martina Navratilova1975, 1978, 1982, 1983, 1985, 1986, 1988, 19908
- Hana Mandlikova1984, 19872
- Magdalena Rybarikova2012, 20132
- Svetlana Kuznetsova2014, 20182
- Nancy Richey19721
Champions
| Season | Event | Final | Draw |
|---|---|---|---|
| 2025 | Washington Premier · Hard · 28 draw | Leylah Fernandez d. Anna Kalinskaya 6-1 6-2 | |
| 2024 | Washington Premier · Hard · 32 draw | Paula Badosa d. Marie Bouzkova 6-1 4-6 6-4 | |
| 2023 | Washington Premier · Hard · 32 draw | Coco Gauff d. Maria Sakkari 6-2 6-3 | |
| 2022 | Washington International · Hard · 32 draw | Liudmila Samsonova d. Kaia Kanepi 4-6 6-3 6-3 | |
| 2019 | Washington International · Hard · 32 draw | Jessica Pegula d. Camila Giorgi 6-2 6-2 | |
| 2018 | Washington International · Hard · 32 draw | Svetlana Kuznetsova d. Donna Vekic 4-6 7-6(7) 6-2 | |
| 2017 | Washington International · Hard · 32 draw | Kate Makarova d. Julia Goerges 3-6 7-6(2) 6-0 | |
| 2016 | Washington International · Hard · 64 draw | Yanina Wickmayer d. Lauren Davis 6-4 6-2 | |
| 2015 | Washington International · Hard · 32 draw | Sloane Stephens d. Anastasia Pavlyuchenkova 6-1 6-2 | |
| 2014 | Washington International · Hard · 32 draw | Svetlana Kuznetsova d. Kurumi Nara 6-3 4-6 6-4 | |
| 2013 | Washington International · Hard · 32 draw | Magdalena Rybarikova d. Andrea Petkovic 6-4 7-6(2) | |
| 2012 | Washington International · Hard · 32 draw | Magdalena Rybarikova d. Anastasia Pavlyuchenkova 6-1 6-1 | |
| 2011 | Washington International · Hard · 32 draw | Nadia Petrova d. Shahar Peer 7-5 6-2 | |
| 1991 | Washington WTA Tour · Hard · 28 draw | Arantxa Sanchez Vicario d. Katerina Maleeva 6-2 7-5 | |
| 1990 | Washington WTA Tour · Carpet · 28 draw | Martina Navratilova d. Zina Garrison 6-1 6-0 | |
| 1989 | Washington WTA Tour · Hard · 32 draw | Steffi Graf d. Zina Garrison 6-1 7-5 | |
| 1988 | Washington WTA Tour · Hard · 32 draw | Martina Navratilova d. Pam Shriver 6-0 6-2 | |
| 1987 | Washington WTA Tour · Carpet · 32 draw | Hana Mandlikova d. Barbara Potter 6-4 6-2 | |
| 1986 | Washington WTA Tour · Carpet · 32 draw | Martina Navratilova d. Pam Shriver 6-1 6-4 | |
| 1985 | Washington WTA Tour · Carpet · 32 draw | Martina Navratilova d. Manuela Maleeva Fragniere 6-3 6-2 | |
| 1984 | Washington WTA Tour · Carpet · 32 draw | Hana Mandlikova d. Zina Garrison 6-1 6-1 | |
| 1983 | Washington WTA Tour · Carpet · 32 draw | Martina Navratilova d. Sylvia Hanika 6-1 6-1 | |
| 1982 | Washington WTA Tour · Carpet · 32 draw | Martina Navratilova d. Anne Smith 6-2 6-3 | |
| 1979 | Washington WTA Tour · Carpet · 32 draw | Tracy Austin d. Martina Navratilova 6-3 6-2 | |
| 1978 | Washington WTA Tour · Carpet · 32 draw | Martina Navratilova d. Betty Stove 7-5 6-4 | |
| 1975 | Washington WTA Tour · Hard · 32 draw | Martina Navratilova d. Kerry Reid 6-3 6-1 | |
| 1974 | Washington WTA Tour · Carpet · 32 draw | Billie Jean King d. Kerry Reid 6-0 6-2 | |
| 1972 | Washington WTA Tour · Carpet · 16 draw | Nancy Richey d. Chris Evert 7-6(1) 6-2 |