Rodney George is an Australian former professional tennis player who holds the record for most singles titles won in the history of tennis, with 200 career titles. He was ranked World No. 1 for seven consecutive years, from 1964 to 1970 (from 1964 to 1967 in the professional circuit) and also in 1961 and 1962. He is the only tennis player to have won the Grand Slam (all four major singles titles in the same year) twice, in 1962 and 1969, and is the only male player to have done this during the open era.