6 rounds

Akira
Umano
VS
Koushiro
Yamamoto

Umano · UD 6

Nov 17, 2006 · Edion Arena Osaka No. 2, 🇯🇵

Umano going in—

Yamamoto going in—

Confirmationofficial ★

MethodUD

Roundscheduled 6

Event

DateNov 17, 2006

VenueEdion Arena Osaka No. 2

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2006111702

✓