Tennis is a sport played between two or four players on a rectangular court divided by a net. Major Harry Gem is credited with developing the modern game in 1859 by combining elements of racquet sports and Basque pelota. The first Wimbledon championships were held in 1877. Key shots in tennis include serves, forehands, backhands, volleys, lobs, and smashes. Rafael Nadal is a highly successful Spanish tennis player who has held the number one world ranking since 2008.