10 rounds

Jack
Siahaya
VS
Toshiaki
Nishioka

Nishioka · KO 1/10

Jun 29, 1998 · Prefectural Gymnasium, Osaka, 🇯🇵

Siahaya going in—

Nishioka going in13-2-1

Confirmation✓ one source

MethodKO

Round1 of 10 · 0:43

Sources

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

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/西岡利晃

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