During his club career he played for NK Dinamo Zagreb, SC Young Fellows and FC Zürich. He earned 13 caps for the Yugoslavia national football team, and took part in the 1960 European Nations' Cup and the 1962 FIFA World Cup. He also played a friendly match for the PR Croatian national team against Indonesia in 1956, in which he scored a goal. After the death of Viktor Ponedelnik in December 2020, Matuš became the last living participant of 1960 European Nations' Cup Final.