Pasos played for the senior Brazilian national team. With Brazil, he won the gold medal at the 1959 FIBA World Championship (where he was also named the MVP of the tournament) and the gold medal at the 1963 FIBA World Championship. He also won a silver medal at the 1954 FIBA World Championship, bronze medals at the 1960 Summer Olympics and 1964 Summer Olympics, a bronze medal at the 1967 FIBA World Championship, a silver medal at the 1963 Pan American Games, and a bronze medal at the 1955 Pan American Games.