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) US Open (tennis) The United States Open Tennis Championships is a hard court tennis tournament. The tournament is the modern version of one of the oldest tennis championships in the world, the U.S. National Championship, for which men's singles was first played in 1881. Since 1987, the US Open has been chronologically the fourth and final Grand Slam tournament of the year. The other three, in chronological order, are the Australian Open, the French Open, and Wimbledon. The US Open starts on the last Monday of August and continues for two weeks, with the middle weekend coinciding with the U.S.