Japanese title, 1st defence · 10 rounds

Kyōhei
Tamakoshi
VS
Rikki
Naitō

Naitō · UD 10/10

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

Jun 9, 2014 · Korakuen Hall, 🇯🇵

Tamakoshi going in14-4-1

Naitō going in9-0-0

Confirmationofficial ★

MethodUD

Round10 of 10

TitleJapanese title, 1st defence

Event

DateJun 9, 2014

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/内藤律樹

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2014060901

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