10 rounds

Harada
Ushiwakamaru
VS
Rubén
Olivares

Olivares · KO 2/10

Oct 14, 1967 · Estadio Azteca, Mexico City, 🇲🇽

Ushiwakamaru going in16-2-4

Olivares going in29-0-1

Confirmation✓✓ two sources

MethodKO

Round2 of 10

Sources

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

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Wikipedia (ja)
side a · observed 2026-10-12
ja.wikipedia.org/wiki/牛若丸原田

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