Sport in China the world. Deng Yaping is regarded by many as one of the greatest table tennis players of all time. The sport played an important role in China's international relations; in April 1972, the U.S. table tennis team were invited to visit China, an event later called "Ping Pong Diplomacy". Table tennis is the biggest amateur recreational sport in China with an estimated 300 million players. Tennis is a growing recreational sport in China, although access to courts can be limited in densely populated urban areas. Recently Chinese tennis players, especially women, have seen success internationally both at the amateur level
Sport in the United Kingdom Until 2008, automatic promotion and relegation existed between Super League and the Championship when it was replaced by three-year licences for clubs to play in the former. Promotion and relegation returned to Super League and the Championship in 2015. The main knock-out competition is the Challenge Cup, which also includes clubs from France and Canada, and in the past has also included clubs from Russia. Rugby league is also played as an amateur sport, especially in the heartland areas, where the game is administered by BARLA. Since the rugby union authorities ended the discrimination against playing rugby league amateur numbers