4 rounds

Akira
Umano
VS
Koushiro
Yamamoto

Yamamoto · MD 4

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

Jul 9, 2006 · Matsushita IMP Hall, 🇯🇵

Umano going in—

Yamamoto going in—

Confirmationofficial ★

MethodMD

Roundscheduled 4

Event

DateJul 9, 2006

VenueMatsushita IMP Hall

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2006070903

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