Portlaoise native TJ Doheny won the IBF super-bantamweight world title after beating champion Ryosuke Iwasa on home soil in Tokyo on Thursday.
Doheny, who is based in Australia, took by unanimous decision after it went the distance.
He won it 115-113, 116-112, 117-112.
The 31-year-old, nicknamed 'The Power', went into the fight undefeated with 19 wins, 14 being via knockout. His opponent, a 28-year-old with a record of 25-2, was making his second defence of the belt.
It is a title previously held by Carl Frampton between 2014 and 2016.
Let’s Go Champ !! pic.twitter.com/Mt5qQyyQO6
— Sean Gibbons (@KnuckleheadSean) August 16, 2018
Though ESPN commentator Teddy Atlas had the champion ahead on points by the end of the fight, the judges' cards differed wildly from that of the TV analyst.
— David Sisson (@david_sisson35) August 16, 2018
— CompuBox (@CompuBox) August 16, 2018
He is Ireland's third current world champion along with Katie Taylor and Ryan Burnett.
You can watch the moment a shocked Doheny was crowned champion below.