Japanese youth welterweight title · 8 rounds

Ryoshin
Yamamoto
VS
Taishin
Isotani

Isotani · UD 8

Dec 9, 2025 · Korakuen Hall, 🇯🇵

Yamamoto going in—

Isotani going in9-3-0

Confirmationofficial ★

MethodUD

Roundscheduled 8

TitleJapanese youth welterweight title

Event

DateDec 9, 2025

VenueKorakuen Hall

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/2025年12月09日-後楽園ホール/

✓