Japan flyweight title · 10 rounds

Takahisa
Horiguchi
VS
Yoshio
Shirai

Shirai · KO 6/10

Oct 25, 1951 · Japan

Horiguchi going in—

Shirai going in33-5-3

Confirmation✓ one source

MethodKO

Round6 of 10 · 0:42

TitleJapan flyweight title

Sources

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

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/白井義男

✓