Who was ranked World No. 4 in 1965, Cliff Drysdale or Roberta Vinci?
Cliff Drysdale: Eric Clifford Drysdale (born 26 May 1941, Nelspruit, South Africa) is a former top-ranked professional tennis player of the 1960s and early 1970s who became a well-known tennis announcer. Cliff Drysdale:  Drysdale was ranked World No. 4 in 1965 by Lance Tingay of The Daily Telegraph. Roberta Vinci: Roberta Vinci (] ; born 18 February 1983) is an Italian tennis player.
Eric Clifford Drysdale