OPBF featherweight title · 12 rounds

Bok
Soo Hwang
VS
Royal
Kobayashi

Kobayashi · TKO 10/12

Apr 27, 1978 · Japan

Hwang going in—

Kobayashi going in26-4-0

Confirmation✓ one source

MethodTKO

Round10 of 12

TitleOPBF featherweight title

Sources

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

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/ロイヤル小林

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