Yukinori Oguni vs Ryōsuke Iwasa · Bout 8137

Lost IBF super bantamweight title · 12 rounds

Iwasa · TKO 6/12

Sep 13, 2017 · EDION Arena Osaka, Osaka, 🇯🇵

Oguni going in21-1-2

Iwasa going in23-3-0

Confirmation✓✓ two sources

MethodTKO

Round6 of 12 · 2:16

TitleLost IBF super bantamweight title

Sources

English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Yukinori_Oguni

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English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Ryosuke_Iwasa

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Wikipedia (ja)
side a · observed 2026-10-12
ja.wikipedia.org/wiki/小國以載

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/岩佐亮佑

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