 Bill Riordan (the future manager of Jimmy Connors) complicated matters further with a third professional tour, the U.S. Indoor Circuit.In 1972, the conflict between the ILTF and the WCT culminated in the ILTF banning the contract professional players from all ILTF Grand Prix events between January and July, which included the 1972 French Open and 1972 Wimbledon.At the 1972 US Open in September, all the players attended and agreed to form a player syndicate to protect themselves from the promoters and associations, resulting in the creation of the Association of Tennis Professionals (ATP).