10 rounds

Shigeru
Sasaki
VS
Royal
Kobayashi

Kobayashi · KO 1/10

Updated Oct 12, 2026 · Sources: English Wikipedia, Wikipedia (ja)

May 23, 1977 · Japan

Sasaki going in—

Kobayashi going in23-3-0

Confirmation✓ one source

MethodKO

Round1 of 10

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

✓