Japan bantamweight title · 10 rounds

Hidemasa
Nagashima
VS
Yoshio
Shirai

Shirai · PTS 10/10

Sep 20, 1951 · Japan

Nagashima going in—

Shirai going in32-5-3

Confirmation✓ one source

MethodPTS

Round10 of 10

TitleJapan bantamweight title

Sources

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

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

✓