The Süper Lig (Turkish pronunciation: [ˈsypæɾ liɟ], Super League) is a Turkish professional league for association football clubs. It is the top-flight of the Turkish football league system and is run by the Turkish Football Federation. Twenty clubs compete annually, where a champion is decided and three clubs are promoted and relegated from, and to, the 1. Lig. The season runs from August to May, with each club playing 38 matches.