For WBA flyweight title · 15 rounds

Chartchai
Chionoi
VS
Masao
Ohba

Ohba · KO 12/15

Jan 2, 1973 · Nihon University Auditorium, Tokyo, 🇯🇵

Chionoi going in57-14-2

Ohba going in34-2-1

Confirmation✓✓ two sources

MethodKO

Round12 of 15 · 3:00

TitleFor WBA flyweight title

Sources

English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Chartchai_Chionoi

✓

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Masao_Ohba

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/大場政夫

✓