Wojownik (2007)

The film follows kickboxer Marek Piotrowski’s rise to fame after winning the amateur world championship and moving to the US, where he becomes the US and World Champion. His success attracts Hollywood stars and a movie offer. However, after a knockout loss to Ricky Roufus and a defeat to Rob Kaman, his health and life decline. Facing personal struggles, including a divorce and the revelation he isn’t his son’s father, he returns to Poland to rebuild his life.