10 rounds

Tatsuya
Sugi
VS
Katsuya
Onizuka

Onizuka · TKO 7/10

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

May 22, 1990 · City Hall, Hōfu, 🇯🇵

Sugi going in—

Onizuka going in12-0-0

Confirmation✓ one source

MethodTKO

Round7 of 10

Sources

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

✓

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

✓