Originally Posted by krosero
I think this is the first time in the Open Era that somebody was #1 for the year on the basis of an AO victory, not paired with any other Slam win.
Lendl 1989 was another occasion. Interesting Note: the only tournament losses that Lendl had the whole of 1989 were to the eventual winners of the tournaments. Don't know if that has ever happened before or since