The 1933–34 season was Galatasaray SK's 30th in existence and the club's 22nd consecutive season in the Istanbul Football League. In this season, 25 of Galatasaray's members, including some founders, left the club to build a new one called Güneş SK in 1933. It was their reaction to ' decision to exclude Eşref Şefik Atabey from the club. İsfendiyaroğlu was Galatasaray's president, and also the principal of the Galatasaray High School. Atabey had written negative things about Galatasaray in the sports magazine Olympiad.