10 rounds

Berlin
Olivetti
VS
Jiro
Watanabe

Watanabe · KO 2/10

Jun 29, 1981 · Prefectural Gymnasium, Osaka Japan

Olivetti going in—

Watanabe going in11-1-0

Confirmation✓ one source

MethodKO

Round2 of 10 · 2:22

Sources

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

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/渡辺二郎

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