WBC super-bantamweight title · 15 rounds

Rigoberto
Riasco
VS
Royal
Kobayashi

Kobayashi · KO 8/15

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

Oct 9, 1976 · Kuramae Kokugikan, Tokyo, 🇯🇵

Riasco going in24-5-4

Kobayashi going in21-2-0

Confirmation✓✓ two sources

MethodKO

Round8 of 15

TitleWBC super-bantamweight title

Sources

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

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

✓

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

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