WBA super flyweight title · 12 rounds

Armando
Castro
VS
Katsuya
Onizuka

Onizuka · UD 12/12

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

Dec 11, 1992 · Ariake Coliseum, Tokyo, 🇯🇵

Castro going in—

Onizuka going in20-0-0

Confirmation✓ one source

MethodUD

Round12 of 12

TitleWBA super flyweight title

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

✓