Grand Slam (tennis) is all about is like a baseball player believing that he 'hit for the cycle' after slugging a single, double and triple in the first game of a doubleheader and a home run in his first time at bat in the second game." Despite seeming clarity from the ITF, some journalists suggested that the sport's organizing body had turned its back on history and changed the "rules" of tennis by redefining a Grand Slam. Such confusion continued for years. For instance, when Steffi Graf completed the Grand Slam in 1988, George Vecsey wrote, "Even the International Tennis Federation, which should
1977 Grand Prix (tennis) 1977 Grand Prix (tennis) The 1977 Colgate-Palmolive Grand Prix was a professional tennis circuit administered by the International Lawn Tennis Federation (ILTF, later the ITF) which served as a forerunner to the current Association of Tennis Professionals (ATP) World Tour and the Women's Tennis Association (WTA) Tour. The circuit consisted of the four modern Grand Slam tournaments and open tournaments recognised by the ILTF. The Colgate-Palmolive Masters is included in this calendar but did not count towards the Grand Prix ranking. Colgate-Palmolive was the new tour sponsor, taking over from Commercial Union. Guillermo Vilas won the Grand Prix circuit, having