8 rounds

Satoshi
Niwa
VS
Strong
Kobayashi Yuki

Niwa · SD 8/8

Updated Oct 14, 2026 · Sources: Wikipedia (ja), Japan Boxing Commission — 試合報告書

Dec 28, 2014 · Sumiyoshi Ward Civic Center, 🇯🇵

Niwa going in—

Yuki going in8-3-0

Confirmationofficial ★

MethodSD

Round8 of 8

Event

DateDec 28, 2014

VenueSumiyoshi Ward Civic Center

Country🇯🇵 Japan

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2014122801

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