Mateusz Masternak def. Jason Whateley (Unanimous Decision).
Masternak has since competed in several high-profile matches, most recently losing a unanimous decision to on April 4, 2026, for the European title. Historical records and upcoming schedules for Masternak can be tracked through the BoxRec Fighter Page . Boks: Masternak vs Whateley
Whateley, who entered the ring undefeated, was knocked down in the seventh round . Mateusz Masternak def