Vacant Japanese bantamweight title · 10 rounds

Toshiaki
Nishioka
VS
Jun'ichi
Watanabe

Nishioka · KO 2/10

Dec 29, 1998 · Municipal Central Gymnasium, Osaka, 🇯🇵

Nishioka going in15-2-1

Watanabe going in16-1-0

Confirmation✓✓ two sources

MethodKO

Round2 of 10 · 1:55

TitleVacant Japanese bantamweight title

Sources

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

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/渡辺純一

✓

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

✓