Legend Chris Evert chooses the greatest male and female tennis players of all time

Tennis legend Chris Evert, a 18-time Grand Slam champion and analyst, has joined the "greatest of all time" debate, both on the men's side and the women's side.

• Former World No. 3 picks greatest player of all time between Federer, Djokovic and Nadal
• Former World No. 1 and seven-time Grand Slam champion chooses best tennis player of all time