12 rounds

Koichi
Wajima
VS
Cassius
Naito

Wajima · KO 7/12

Feb 2, 1972 · Metropolitan Gym, Tokyo, 🇯🇵

Wajima going in23-2-0

Naito going in0-1-0

Confirmation✓ one source

MethodKO

Round7 of 12 · 1:30

Sources

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

✓

Wikipedia (ja)
side a · observed 2026-10-12
ja.wikipedia.org/wiki/輪島功一

✓