Rafael Nadal, commonly known as 'Rafa' to his fans, is a professional tennis player from Spain. He is widely regarded as one of the greatest players in the history of the sport and has won 19 Grand Slam singles titles. He is also the only male player to have won all four Grand Slam tournaments at least twice. Nadal is known for his aggressive playing style and powerful forehand. He is a fan favorite and has a large following of loyal supporters.