Lwów Voivodeship
Skotsen started out in junior team of Bohun Lwów, but after it was closed down by the Polish authorities in 1931, he continued to play at Tryzub Lwów. In 1934 Skotsen debuted for the Tryzub's senior team. In 1935-1939 he played Ukraina Lwów in the district league of Lwów Voivodeship.