8 rounds

Masao
Kawanishi
VS
Katsuya
Onizuka

Onizuka · KO 2/8

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

May 15, 1989 · Korakuen Hall, Tokyo, 🇯🇵

Kawanishi going in—

Onizuka going in7-0-0

Confirmation✓ one source

MethodKO

Round2 of 8

Sources

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

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/鬼塚勝也

✓