He won the silver medal in the 66 kg event at the 2017 World Wrestling Championships held in Paris, France.

[3] In 2015, Bernatek represented Poland at the European Games in the 66 kg event without winning a medal.

Four years later, he also competed in the 67 kg event at the 2019 European Games held in Minsk, Belarus.

[4] In 2022, he won one of the bronze medals in his event at the Vehbi Emre & Hamit Kaplan Tournament held in Istanbul, Turkey.

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