It is the sequel to Undisputed III: Redemption (2010), and the fourth installment overall in the Undisputed franchise. Scott Adkins reprises his role as Yuri Boyka.

Undisputed 4: Boyka: Directed by Todor Chapkanov. With Scott Adkins, Teodora Duhovnikova, Alon Aboutboul, Julian Vergov. In the fourth installment of the fighting franchise, Boyka is shooting for the …

Scott Adkins returns as Boyka, a fighter who accidentally kills an opponent and must save his widow from a ruthless crime boss by fighting a series of dangerous matches.

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In the fourth installment of the fighting franchise, Boyka is shooting for the big leagues when an accidental death in the ring makes him question everything he stands for. Stream Undisputed 4: …

After accidentally killing his opponent in the ring, Boyka develops a crisis of conscience that leads him to come to the rescue of the troubled widow.

The fourth film in the action franchise finds Boyka taking on brutal gangsters to protect the widow of a man he unintentionally killed in the ring. Watch trailers & learn more.

The high-octane action series Undisputed is back with Boyka: Undisputed 4. Scott Adkins is Boyka, the most complete fighter in the world, a man looking for his shot to fight for a championship belt.

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In the fourth installment of the fighting franchise, Boyka is shooting for the big leagues when an accidental death in the ring makes him question everything he stands for. Closed captions (CC) refer …