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Jai Opetaia
Jai Opetaia is an Australian professional cruiserweight boxer and London 2012 Olympian. A former two-time IBF champion, he was unbeaten at 30-0 and held The Ring and Zuffa Boxing cruiserweight titles as of August 18, 2026.
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About Jai Opetaia
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Australia · Professional boxer
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- Professional boxer
At a glance
- Opetaia was unbeaten at 30-0, with 23 knockout victories, and held The Ring and Zuffa Boxing cruiserweight titles as of August 18, 2026.
- He first won the IBF and The Ring cruiserweight championships against Mairis Briedis in 2022 and regained the vacant IBF title in a 2024 rematch.
- Before turning professional, he won the 2011 World Junior Boxing Championships and represented Australia at the London 2012 Olympics.
Amateur and Olympic background
Opetaia won gold at the 2011 World Junior Boxing Championships and represented Australia at the London 2012 Olympics, where he was the country's youngest Olympic boxer. His Olympic campaign ended with a 12-11 round-of-16 loss to Azerbaijan's Teymur Mammadov.
Cruiserweight career
After beginning his professional career in 2015, Opetaia defeated Mairis Briedis by unanimous decision on July 2, 2022, to win the IBF and The Ring cruiserweight titles despite sustaining a broken jaw. He regained the vacant IBF championship in a 2024 rematch with Briedis and became the inaugural Zuffa Boxing cruiserweight champion by defeating Brandon Glanton in March 2026.
Title status and IBF dispute
The IBF stripped Opetaia of its cruiserweight title on March 23, 2026, following his participation in the Glanton contest for the Zuffa Boxing title. He later filed a federal lawsuit seeking reinstatement and other relief; the reported claims had not been adjudicated as of August 18, 2026.
Timeline
- Won gold at the World Junior Boxing Championships.
- Represented Australia at the London Olympics, becoming the country's youngest Olympic boxer.
- Began his professional boxing career.
- Defeated Mairis Briedis by unanimous decision to win the IBF and The Ring cruiserweight titles despite sustaining a broken jaw.
- Defeated Briedis in a rematch to regain the vacant IBF cruiserweight title.
- Defeated Brandon Glanton by unanimous decision to retain The Ring title and become the inaugural Zuffa Boxing cruiserweight champion.
Additional verified details
Current context
- Opetaia was undefeated at 30-0 with 23 knockout victories and held The Ring and Zuffa Boxing cruiserweight titles. The IBF title is excluded because the organization stripped Opetaia on March 23, 2026.
- Opetaia's federal lawsuit against the IBF sought reinstatement of the championship and other relief. The reported claims were allegations by Opetaia and had not been adjudicated as of the as-of date.
- Opetaia was scheduled to face Noel Mikaelian in Las Vegas on September 12, 2026. The announcement described the contest as a Zuffa Boxing title defense but did not establish whether Mikaelian's WBC title would be at stake; the scheduled bout remained subject to change.
Biographical facts
- Opetaia was born on June 30, 1995.
- He boxes from a southpaw stance.
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