Japanese super lightweight title · 10 rounds

Valentine
Hosokawa
VS
Koichi
Aso

Hosokawa · UD 10/10

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

Dec 14, 2017 · Korakuen Hall, 🇯🇵

Hosokawa going in21-8-4

Aso going in23-7-1

Confirmationofficial ★

MethodUD

Round10 of 10

TitleJapanese super lightweight title

Event

DateDec 14, 2017

VenueKorakuen Hall

Country🇯🇵 Japan

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/麻生興一

✓

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2017121401

✓