High Quality Content by WIKIPEDIA articles! The 1970 Pepsi-Cola Grand Prix was a tennis circuit administered by the International Lawn Tennis Federation (ILTF) 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 comprised three modern Grand Slam tournaments and open tournaments recognised by the ILTF. The Pepsi-Cola Masters and Davis Cup Final are included in this calendar but did not count towards the Grand Prix.