4 rounds

Ryuta
Otsuka
VS
Daijiro
Sato

Otsuka · UD 4

Apr 21, 2007 · Korakuen Hall, 🇯🇵

Otsuka going in—

Sato going in—

Confirmationofficial ★

MethodUD

Roundscheduled 4

Event

DateApr 21, 2007

VenueKorakuen Hall

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2007042101

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