8 rounds

Ryo
Kosaka
VS
Jinya
Ito

Kosaka · UD 8

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

Dec 1, 2018 · 🇯🇵

Kosaka going in—

Ito going in—

Confirmationofficial ★

MethodUD

Roundscheduled 8

Event

DateDec 1, 2018

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2018120103

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