Ken Rosewall is a former amateur and professional tennis player who won Grand Slam singles titles in Australia, the United States, and France.He had a renowned backhand and enjoyed a long career at the highest levels from the early 1950s to the early 1970s. He was one of the two best male players for about nine years and was the World No. 1 player for a number of years in the early 1960s. He was ranked among the top 20 players, amateur or professional, every year from 1952 through 1977.He was 1.70 m tall (5 ft 7 in) and weighed 67 kg (145 pounds) and was ironically nicknamed "Muscles" by his fellow-players because of his lack of them. He was, however, fast, agile, and tireless, with a deadly volley.

Ken Rosewall