4 rounds

Yuya
Hirose
VS
Kai
Watanabe

Watanabe · UD 4/4

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

Sep 27, 2021 · Korakuen Hall, 🇯🇵

Hirose going in—

Watanabe going in3-0-0

Confirmationofficial ★

MethodUD

Round4 of 4

Event

DateSep 27, 2021

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/渡邊海

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2021092701

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