Rafael "Rafa" Nadal Parera (] , ] ; born 3 June 1986) is a Spanish professional tennis player, currently ranked World No. 1 in men's singles. Known as "The King of Clay", he is widely regarded as the greatest clay-court player in history. His evolution into an all-court threat has established him as one of the greatest tennis players ever. Using only the above description and what you know about the world, "Rafael "Rafa" Nadal Parera won most of his plays" is definitely correct, incorrect, or inconclusive? 