Rafael (Rafa) Nadal is a Spanish professional tennis player and a former world No. 1. As of 8 July 2013, he is ranked No. 4 by the ATP. He is considered one of the greatest players of all time. His success on clay has earned him the nickname “King of Clay” and has led many sports journalists and commentators, as well as former and current players, to regard him as the greatest clay court player in history.