OPBF title, 4th defence, later vacated · 10 rounds

Ronarongnoi
Sitsaitong
VS
Naoko
Yamaguchi

Yamaguchi · TKO 1/10

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

Dec 21, 2011 · Korakuen Hall, 🇯🇵

Sitsaitong going in—

Yamaguchi going in17-4-2

Confirmationofficial ★

MethodTKO

Round1 of 10 · 1:58

TitleOPBF title, 4th defence, later vacated

Event

DateDec 21, 2011

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/山口直子

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2011122101

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