Sport in Madrid basketball, with two clubs in the country's top-level Liga ACB. Real Madrid's basketball section has won 30 Spanish League championships, 22 Spanish Cup championships, 8 Euroleague Championships, 4 Saporta Cups, 4 Intercontinental Cups and have won 2 Triple Crowns. Madrid's other professional basketball club is Estudiantes that have won 3 Spanish Cup championships. Madrid hosts the Mutua Madrileña Madrid Open. The tournament is classified as an ATP World Tour Masters 1000 event on the Association of Tennis Professionals tour, and a Premier Mandatory event on the Women's Tennis Association tour. Caja Mágica (The Magic Box, and also known as the
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