5 rounds

Yoshiyuki
Yamaguchi
VS
Jun
Koseki

Yamaguchi · UD 5

Mar 5, 2014 · Korakuen Hall, 🇯🇵

Yamaguchi going in—

Koseki going in—

Confirmationofficial ★

MethodUD

Roundscheduled 5

Event

DateMar 5, 2014

VenueKorakuen Hall

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2014030501

✓