The competition began on 30 September when hosts Uruguay began the defence of their title with a 4–0 win against Chile. Three days later, Argentina came from behind to defeat Brazil 4–2. On 6 October, Argentina defeated Chile 1–0. With half the matches played, Argentina were top of the table with four points, two ahead of Uruguay who had a game in hand. The following day, Uruguay defeated Brazil 4–0 to set up a winner-takes-all final match against Argentina. In the meantime, on 12 October, Brazil defeated Chile 5–0 in their final game. Two days later,
Héctor Scarone scored the only goal of the match as Uruguay defeated Argentina 1–0 to successfully defend their title. ==Table==