8 rounds

Kazuaki
Koyanagi
VS
Shoji
Oguma

Oguma · KO 4/8

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

Apr 5, 1973 · Japan

Koyanagi going in—

Oguma going in14-1-0

Confirmation✓ one source

MethodKO

Round4 of 8

Sources

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

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/大熊正二

✓