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
1982 Grand Prix (tennis) 1982 Grand Prix (tennis) The 1982 Volvo Grand Prix was a professional tennis circuit held that year. It incorporated the four grand slam tournaments, the Grand Prix tournaments. The circuit was administered by the Men's International Professional Tennis Council (MIPTC). On 30 April 1981 World Championship Tennis (WCT) announced its withdrawal from the Grand Prix circuit, which it had been incorporated into since 1978, and the re-establishment of its own tour calendar for the 1982 season. To counter the threat of player leaving the Grand Prix tour for the WCT the MIPTC introduced a mandatory commitment to play at least