Description Available in: GKS Tychy is a Polish professional football club, based in Tychy, Poland, that plays in the Polish I Liga. The club was founded on 20 April 1971. It played in the Ekstraklasa between 1974–1977. The biggest success of GKS Tychy was the 2nd place in the 1975/76 season of the Ekstraklasa, behind Stal Mielec. As a result, the team played in the UEFA Cup 1976-77, losing to 1. FC Köln.