1970 US Open (tennis) 1970 US Open (tennis) The 1970 US Open was a tennis tournament that took place on the outdoor grass courts at the Forest Hills, Queens in New York, United States. The tournament ran from 2 September until 13 September. It was the 90th staging of the US Open, and the fourth Grand Slam tennis event of 1970. It was the first Grand Slam tournament in which the tiebreak was used to decide the set at a 6-6 score. It differed from the current tie-break scoring in that it was won by the first player to reach five points with a
Squash tennis tennis that had also been recently introduced to the country. Even after the proper equipment arrived, some still continued to use tennis equipment on both kinds of courts. In the 1890s both squash racquets and squash tennis had spread to adults in Boston, and play started to become more formalized. In 1898, after the construction of a court at the Tuxedo Club in Tuxedo Park, New York, squash tennis became popular among members of New York society. Private courts were built on estates owned by such millionaires as William C. Whitney, J. P. Morgan, and George Lauder Carnegie. By 1905,