The 1981 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City, New York. It was the 101st edition of the US Open and was held from September 1 to September 13, 1981. It marked the centenary of the inaugural tournament. US Open 1981: September 1–13, 1981. Men's singles: John McEnroe — 4th major title. Women's singles: Tracy Austin — 2nd major title. Wiki link