8 rounds

Koji
Toyoshima
VS
Shin'ya
Iwabuchi

Iwabuchi · TKO 6/8

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

Dec 3, 2007 · Korakuen Hall, 🇯🇵

Toyoshima going in—

Iwabuchi going in8-2-0

Confirmationofficial ★

MethodTKO

Round6 of 8 · 2:59

Event

DateDec 3, 2007

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/岩渕真也

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2007120301

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