Rafael Nadal is a Spanish professional tennis player and one of the greatest players of all time. He is a multiple Grand Slam champion, having won 19 major singles titles, including 12 French Open titles, four US Open titles, two Wimbledon titles, and one Australian Open title. He is also the only male player to have won all four Grand Slams at least twice. Nadal is widely regarded as one of the greatest players in the history of the sport.