Martina Navratilova is a tennis player.
Martina Navratilova . In 2005 , Tennis magazine selected her as the greatest female tennis player for the years 1965 through 2005 . Her record as No. 1 in singles ( 1982 -- 86 ) is the most dominant in professional tennis . Navratilova is regarded by some to be the greatest female tennis player of all time . She is one of only five tennis players all-time to win a multiple slam set in two disciplines , matching Margaret Court , Roy Emerson , Frank Sedgman and Serena Williams .