Japanese bantamweight title · 10 rounds

Ryōsuke
Iwasa
VS
Kentarō
Masuda

Iwasa · TKO 7/10

Updated Oct 14, 2026 · Sources: English Wikipedia, Wikipedia (ja), Japan Boxing Commission — 試合報告書

Jul 7, 2012 · Korakuen Hall, Tokyo, 🇯🇵

Iwasa going in12-1-0

Masuda going in14-5-0

Confirmationofficial ★

MethodTKO

Round7 of 10 · 1:49

TitleJapanese bantamweight title

Event

DateJul 7, 2012

VenueKorakuen Hall

Country🇯🇵 Japan

English Wikipedia
side a · 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/岩佐亮佑

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2012070701

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