8 rounds

Satoshi
Niwa
VS
Ryo
Kosaka

Kosaka · UD 8

Apr 5, 2015 · Edion Arena Osaka No. 2, 🇯🇵

Niwa going in—

Kosaka going in—

Confirmationofficial ★

MethodUD

Roundscheduled 8

Event

DateApr 5, 2015

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=2015040503

✓