1977 U.S. Open Tennis Champinship, Chris Evert v Wendy Turnbull [Getty Images]

FLUSHING, NY - SEPTEMBER 1977: Tennis player Chris Evert of the USA hits a backhand return against Wendy Turnbull during the women finals of the 1977 U.S. Open tennis tournament at the USTA National Tennis Center in Flushing, New York, September 1977. Evert defeated Turnbull 7-6, 6-2. (Photo by Focus On Sport/Getty Images)

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