 It was played annually between the league champions in each country, plus the winner of the previous edition.The South American Championship of Champions Clubs, which was founded in 1946, was the first international competition that was played between basketball clubs from South America, and it was the first-tier and most important club competition in South America until 1993, when the Pan American Club Championship supplanted it in importance.With the emergence of the new FIBA South American League in 1996, the South American Championship of Champions Clubs became the third-tier international club championship in South America.