My pick was Laver because of winning far more titles than anyone else - 15 in total, plus strong winning records against his two main rivals that year - Rosewall (head to head for year 5-0 in Laver's favour), Newcombe (head to head for year 3-0 in Laver's favour). The main reason for picking Rosewall or Newcombe, was that they won Grand Slam titles but Laver didn't. (Newcombe winning Wimbledon and Rosewall winning the US Open). Laver did poorly in those two events However, a case could be made that Laver won an equivalent to a Grand Slam that year. IN 1970 the Australian Open wasn't available for all people to play. However, there was the 1970 Dunlop International final between Laver & Rosewall which Laver won. I am wondering therefore if the 1970 Dunlop International final was considered a replacement for the Australian Open, at the time.