Rafael Nadal is a professional tennis player from Spain who has won numerous Grand Slam titles. He is widely regarded as one of the greatest players of all time and is often referred to by his nickname, 'The King of Clay'. Nadal has won 19 Grand Slam singles titles, the second-most in history for a male player, as well as a record 33 ATP Tour Masters 1000 titles, 20 ATP Tour 500 titles, and the 2008 Olympic gold medal in singles.