Lomachenko Dominates Kambosos.. Lomachenko, the heavy favorite, showcased his dominance throughout the scheduled 12-round battle against Kambosos in front of a packed 15,000-seat RAC Arena. The 36-year-old boxer solidified his victory in the 11th round, knocking down the Australian multiple times and capturing the IBF lightweight title, adding to his previous WBC, WBA, and WBO belts in the division. #boxing