WBC light-flyweight title · 12 rounds

Efren
Pinto
VS
Chang
Jung-koo

Jung-koo · TKO 6/12

Apr 19, 1987 · Chungmu Gymnasium, Daejeon, 🇰🇷

Pinto going in—

Jung-koo going in32-1-0

Confirmation✓ one source

MethodTKO

Round6 of 12 · 0:59

TitleWBC light-flyweight title

Sources

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

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