It's impossible for Nadal's record to be any better -- he has never lost at RG. He has never been pushed to a fifth set; in fact, he has never lost more than three sets in the course of the two weeks. On top of that, he has defeated the greatest player of his generation en route every single time.
Last of the moon-and-volley specialists.
I believe in luck. How else can you explain the success of those you don't like? ---Jean Cocteau