Jai Opetaia stopped David Nyika with a vicious knockout on Wednesday, retaining the IBF cruiserweight title on home soil in Australia. Opetaia stopped the New Zealander in round four, landing a series of shots with Nyika stuck against the ropes and putting the challenger down and out with a brutal left hook.

Both men enter the main-event contest unbeaten, with Opetaia holding a professional record of 26-0 (20 knockouts), while Nyika is 10-0 (9 KOs). There is somewhat of a geographical sporting rivalry behind the bout,

Find out when the Jai Opetaia vs. David Nyika event starts and when the main event fighters should walk to the ring.