For WBA & The Ring super featherweight titles · 15 rounds

Ricardo
Arredondo
VS
Hiroshi
Kobayashi

Kobayashi · UD 15/15

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

Mar 4, 1971 · Nihon University Auditorium, Tokyo, 🇯🇵

Arredondo going in55-4-0

Kobayashi going in60-8-4

Confirmation✓✓ two sources

MethodUD

Round15 of 15

TitleFor WBA & The Ring super featherweight titles

Sources

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

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English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Hiroshi_Kobayashi_(boxer)

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/小林弘

✓