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KI
Boxing Biography

Kazuto Ioka

“Ioka”

Japanese · Osaka, Japan · Born 24 March 1984

Super Bantamweight
52-2
record
4
world titles
4
weight classes
30
k o wins

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Japanese four-division champion and one of Asia's most decorated fighters, whose technical excellence and longevity across more than a decade at world championship level have cemented his legacy.

Kazuto Ioka is a Japanese boxing legend who became one of the few fighters in history to win world titles in four different weight classes. A consummate technician with excellent movement and crisp combinations, Ioka has been one of Japan's most decorated fighters across three decades of professional boxing. His four-division championship pedigree places him among the finest fighters Japan has ever produced.

Famous For

Four-division world champion

Playing Style

How They Played

Technical southpaw with excellent footwork and timing

Legacy

Lasting Impact

One of Japan's greatest pound-for-pound boxers

Career Journey

Timeline

2009 📌 Professional boxing debut
2011 🏆 WBC Minimumweight Champion
2012 🏆 WBA Light Flyweight Champion
2013 🏆 WBA Flyweight Champion
2019 🏆 WBO Super Flyweight Champion
2019 🎯 Became four-division world champion
Career Timeline — Kazuto Ioka
2009
Professional boxing debut
2011
WBC Minimumweight Champion
2012
WBA Light Flyweight Champion
2013
WBA Flyweight Champion
2019
WBO Super Flyweight Champion
2019
Became four-division world champion