For WBC strawweight title · 12 rounds

Napa
Kiatwanchai
VS
Hiroki
Ioka

Draw · SD 12/12

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

Jun 5, 1988 · Kinki University Auditorium, Osaka, 🇯🇵

Kiatwanchai going in6-0-0

Ioka going in10-0-0

Confirmation✓✓ two sources

MethodSD

Round12 of 12

TitleFor WBC strawweight title

Sources

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

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/井岡弘樹

✓