Biography: Ilie Theodoriu Năstase (born 19 July 1946) is a former World No. 1 Romanian tennis player. He was ranked world No. 1 in singles from 23 August 1973 to 2 June 1974, and was the first man to hold the top position on the computerized ATP rankings. Năstase is one of the 10 players in history who have...