Urbanczyk began his football career at Turbine Halle in 1948. Beginning in 1960, he played for the team, which was renamed Chemie Halle and later Hallescher FC Chemie – in the DDR-Oberliga. His first Oberliga match was against Wismut Karl-Marx-Stadt on 20 March 1960, as a right midfielder. During his career, however, he transitioned to play the position of right defender. He appeared in 250 East German top flight matches (12 goals).
