10 rounds

Tatsunao
Mitsuyama
VS
Rene
Barrientos

Barrientos · TKO 4/10

Jun 4, 1971 · Rizal Memorial Stadium, Manila, 🇵🇭

Mitsuyama going in—

Barrientos going in34-7-2

Confirmation✓ one source

MethodTKO

Round4 of 10

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Rene_Barrientos_(boxer)

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