8 rounds

Kosuke
Arioka
VS
Valentine
Hosokawa

Hosokawa · KO 1/8

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

Nov 22, 2019 · Korakuen Hall, 🇯🇵

Arioka going in—

Hosokawa going in24-9-4

Confirmationofficial ★

MethodKO

Round1 of 8 · 0:45

Event

DateNov 22, 2019

VenueKorakuen Hall

Country🇯🇵 Japan

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2019112201

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