| Thunderbird Classic | |
| Type: | defunct |
| Founded: | 1952 |
| Ended: | 1980 |
| Location: | Phoenix, United States |
| Venue: | Phoenix Country Club |
| Event Name: | Virginia Slims Thunderbird Classic (1971–72) Virginia Slims of Phoenix (1973–74) Thunderbird Classic (1975–80) |
| Tour: | ILTF World Circuit (1952–71) Virginia Slims Circuit(1972–80) |
| Surface: | Hard / indoor (1952–65) Hard / outdoor (1966–70) |
The Thunderbird Classic was a Virginia Slims Circuit affiliated tennis tournament founded in 1952,[1] as a combined men's and women's tournament called the Phoenix Thunderbird Championships Invitational.[2] Also known as the Phoenix Thunderbird Invitation it continued as a joint event until 1970 when it was branded as the Phoenix Thunderbird Open the men's event was discontinued that year.
In 1971 the women's tournament was re branded as the Virginia Slims Thunderbird Classic and ran annually under a number of name changes until 1980 when it too was discontinued.
The tournament was founded in 1952,[3] as the Phoenix Thunderbird Championships a joint men's and women's tennis tournament played at the Phoenix Country Club, Phoenix, Arizona, United States. In 1953 the word 'championships' was dropped from the tournament title. In 1969 the tournament went open under the brand name the Thunderbird Invitational.[4] In 1970 the tournament was re branded as the Phoenix Thunderbird Open,[5] and was the final year as a combined event when the men's tournament was discontinued.
In 1971 women's event became part of the Virginia Slims Circuit and was known as the Virginia Slims Thunderbird Classic, that event carried on till 1980 when it was last known as the Thunderbird Classic before it too was abolished. The tournament was originally played on indoor hard courts from 1953 to 1965, then outdoor hard courts from 1966 to 1970. The event was originally played at the end February annually, then moved to mid to late March. It was only in 1970 that its scheduling was moved to October that year, however the women's event carried on with the new dates.
| Year | Winners | Runners-up | Score |
|---|---|---|---|
| Phoenix Thunderbird Invitational | |||
| 1953 | 3–6, 6–4, 6–3 | ||
| 1954 |  Helen Pastall Perez | 6–4, 7–5 | |
| 1955 | Beverly Baker Fleitz (2) | 6–1, 6–1 | |
| 1956 | Beverly Baker Fleitz (3) | Mary Ann Mitchell | 6–1, 6–1 |
| 1957 | 2-6, 6-3, 6-4 | ||
| 1958 | Beverly Baker Fleitz (4) | 6–2, 3–6, 10–8 | |
| 1959 | Barbara Green | 3–6, 6–1, 7–5 | |
| 1960 | Karen Hantze | Vicki Palmer | 7–5, 9–7 |
| 1961 | 6–3, 6–4 | ||
| Phoenix Thunderbird Invitation | |||
| 1962 | Nancy Richey (3) | 6–3, 7–5 | |
| 1963 | Nancy Richey (3) | 8–6, 8–6 | |
| 1964 | 6–3, 7–5 | ||
| 1965 | 6–2, 6–4 | ||
| 1966 | 6–3, 6–2 | ||
| 1967 | Nancy Richey (4) | Carol Aucamp | 6–1, 6–4 |
| 1968 | Patti Hogan | Tory Ann Fretz | 6–2, 6–4 |
| ↓ Open Era ↓ | |||
| 1969[6] | Nancy Richey (5) | 6–2, 6–0. | |
| Phoenix Thunderbird Open | |||
| 1970 |  Vicki Berner | Stephanie Tolleson | 6–3, 6–2 |
| Virginia Slims Thunderbird Classic | |||
| 1971 | Billie Jean King (2) | 7–5, 6–1 | |
| 1972 | Billie Jean King (3) | 7–6(7–3), 6–3 | |
| Virginia Slims of Phoenix | |||
| 1973 | Billie Jean King (4) | 6–1, 6–3 | |
| 1974 | 6–1, 6–2 | ||
| Thunderbird Classic | |||
| 1975 | Nancy Richey Gunter (6) | 4–6, 7–5, 6–4 | |
| 6–1, 7–5 | |||
| 1977 | Billie Jean King (5) | 1–6, 6–1, 6–0 | |
| 6–4, 6–2 | |||
| Martina Navratilova (2) | 6–1, 6–3 | ||
| 1980 | 7–6(10–8), 7–6(7–3) | ||
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 1971 | 6–3, 6–2 | ||
| 1972 | 6–4, 6–3 | ||
| 1973 | 6–4, 6–4 | ||
| 1974 | 6–3, 5–7, 6–3 | ||
| 1975 |  Françoise Dürr (2)Betty Stöve (2) | 6–7, 6–4, 6–0 | |
| 1976 | Billie Jean King (2) Betty Stöve (3) | 6–2, 6–1 | |
| 1977 | 6–1, 7–5 | ||
| 1978 | Tracy Austin Betty Stöve (4) | 6–4, 6–7, 6–2 | |
| 1979 | 6–4, 7–6 | ||
| 1980 | 6–0, 6–4 | ||