Kazuto Ioka

Kazuto Ioka (井岡 一翔, Ioka Kazuto, born 24 March 1989) is a Japanese professional boxer. He is a four-weight world champion, having held the WBO super-flyweight title since 2019. He previously the unified WBA and WBC mini-flyweight titles between 2011 and 2012, the WBA (Regular) light-flyweight title between 2012 and 2014, and the WBA flyweight title between 2015 and 2017. As of December 2020, he is ranked as the world’s fourth-best active super-flyweight by BoxRec, and third by The Ring magazine and the Transnational Boxing Rankings Board. He is also ranked as the world's tenth-best boxer, pound for pound, by The Ring.

Kazuto Ioka

Kazuto Ioka (井岡 一翔, Ioka Kazuto, born 24 March 1989) is a Japanese professional boxer. He is a four-weight world champion, having held the WBO super-flyweight title since 2019. He previously the unified WBA and WBC mini-flyweight titles between 2011 and 2012, the WBA (Regular) light-flyweight title between 2012 and 2014, and the WBA flyweight title between 2015 and 2017. As of December 2020, he is ranked as the world’s fourth-best active super-flyweight by BoxRec, and third by The Ring magazine and the Transnational Boxing Rankings Board. He is also ranked as the world's tenth-best boxer, pound for pound, by The Ring.