Mateusz·Kowalczyk is a professional footballer from POL and is currently 22 years old. He is on the books of GKS Katowice and wears shirt number 77. At international level, he features for Poland U21. His main role on the pitch is Midfield. His stronger foot is Both. His estimated market valuation currently stands at 1.5M €.

His latest transfer saw him join GKS Katowice from Brondby IF via Free on 2025-06-30. The move was reported at 1M €.

Over 20 appearances in the PKO Bank Polski EKSTRAKLASA 2025-2026, Mateusz·Kowalczyk contributed 0 goals and 0 assists, completed 8 key passes from 591 total passes, and posted a passing accuracy of 23.9.