1989 US Open (tennis) 1989 US Open (tennis) 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. Boris Becker defeated Ivan Lendl 7–6, 1–6, 6–3, 7–6 Steffi Graf defeated Martina Navratilova 3–6, 7–5, 6–1 John McEnroe / Mark Woodforde defeated Ken Flach / Robert Seguso 6–4, 4–6, 6–3, 6–3 Hana Mandlíková / Martina Navratilova defeated Mary Joe Fernández / Pam Shriver 5–7, 6–4, 6–4 Robin White /
US Open (tennis) on grass courts at the Newport Casino in Newport, Rhode Island. That year, only clubs that were members of the United States National Lawn Tennis Association (USNLTA) were permitted to enter. Richard Sears won the men's singles at this tournament, which was the first of his seven consecutive singles titles. From 1884 through 1911, the tournament used a challenge system whereby the defending champion automatically qualified for the next year's final, where he would play the winner of the all-comers tournament. In 1915, the national championship was relocated to the West Side Tennis Club in Forest Hills, Queens, New York