The 1990 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in the United States. It was the 110th edition of the US Open and was held from August 27 to September 9, 1990. US Open 1990: August 27 – September 9, 1990. Men's singles: Pete Sampras. Women's singles: Gabriela Sabatini. Wiki link