Ryosuke Iwasa (岩佐 亮佑, Iwasa Ryōsuke; born December 26, 1989) is a Japanese professional boxer. He held the IBF super-bantamweight title from 2017 to 2018 and the interim version from 2019 to April 2021. He also challenged for the unified WBA (Super) and IBF super-bantamweight titles in April 2021.
Source: “Ryosuke Iwasa”, English Wikipedia (CC BY-SA 4.0), excerpt
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