At that time, the stadium consisted of two uncovered tiers that could hold about 75,000 spectators. Capacity was further increased to 125,000 in 1954, when one of the long sides got expanded with a third tier. The Bernabéu was together with the Camp Nou as the playing venue of the UEFA 1964 European Nations' Cup, hosting one of the two semi-finals and the final between Spain and the Soviet Union (2-1).