Before Nadal, who was the last lefty world No. 1?

Question

Before Rafael Nadal finished 2008 as the world’s No. 1 ranked men’s tennis player, who was the last left-handed men’s tennis player to hold the season-ending No. 1 ranking?

Answer 1

Before Nadal, John McEnroe was the last left-hander to finish the year as the top ranked player – and that was back in 1984.