The 1989 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 109th edition of the US Open and was held from August 28 to September 10, 1989. US Open 1989: August 28 – September 10, 1989. Men's singles: Boris Becker — 4th major title. Women's singles: Steffi Graf — 8th major title. Wiki link