Jakub Kowalski

A graduate of Żyrardowianka Żyrardów. He began his senior career at Unia Skierniewice, subsequently playing for Concordia Piotrków Trybunalski, UKS SMS Łódź, Wigry Suwałki, OKS 1945 Olsztyn, Arka Gdynia, Widzew Łódź, Okocimski KS Brzesko, Ruch Chorzów, Podbeskidzie Bielsko-Biała, GKS Tychy, and Górnik Łęczna. On 28 September 2012, while playing for Widzew, he made his Ekstraklasa debut in a 1-3 away defeat to Polonia Warsaw; Kowalski appeared from the 37th minute. On 9 July 2019, he joined Garbarnia Kraków. His contract with the club expired at the end of June 2021. On 7 July 2021, he signed a one-year contract with Podhale Nowy Targ. In July 2022, he joined Stal Stalowa Wola, a club with which he won the regional Polish Cup and the III liga, group IV championship during the 2022–2023 season. Throughout this campaign, he made the most league appearances (31), scored the highest number of goals (13), and registered the greatest number of assists (13) for Stal. In the 2023–24 season, he participated in 29 league fixtures for Stal, scoring two goals, both of which came in a 5–2 victory over Chojniczanka Chojnice in the fifth match of the season, along with one appearance in the Polish Cup and two matches in the promotion playoffs to the I liga. The season concluded with a 2–0 victory in the playoff final against KKS 1925 Kalisz, securing Stal's promotion. On 18 December 2024, after having played ten matches in the 2024–25 I liga, he announced his retirement, effective at the…

Along with Kowalski's retirement, Stal Stalowa Wola announced he would take up the role of the club's sporting director starting from 1 January 2025. He and Stal agreed to part ways on 21 April 2026.

Podhale Nowy Targ

Polish Cup (Podhale regionals): 2021–22 Stal Stalowa Wola

III liga, group IV: 2022–23 Polish Cup (Stalowa Wola regionals): 2022–23