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Sebastian Oskar Kowalczyk (born 22 August 1998) is a Polish professional footballer who plays as a midfielder for Ekstraklasa club Zagłębie Lubin.
He received his first call up to the senior Poland squad in March 2021 and was on the bench for the match against England.
He received his first call up to the senior Poland squad in March 2021 and was on the bench for the match against England.