The 1980 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in New York in the United States. It was the 100th edition of the US Open and was held from August 26 to September 7, 1980. US Open 1980: August 26 – September 7, 1980 at National Tennis Center. Men's singles: John McEnroe — 2nd major title. Women's singles: Chris Evert-Lloyd — 11th major title. Wiki link