Yan Zak KO4 Peter Mysoka... Israeli cruiserweight Yan Zak scored a knockout victory against Tanzania's Peter Mysoka on a show held in Dubai. Competing on Saturday’s BATL Boxing Promotions event, Zak produced a fourth-round knockout that raised his career mark to 8-0 with 6 KOs. He's been fighting a good level of opposition. Mysoka saw an eight-fight KO win streak end, dropping his record to 14-2.