8 rounds

Kosuke
Nishiya
VS
Tomoshi
Yamaguchi

Yamaguchi · TKO 3/8

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

Feb 7, 2026 · Korakuen Hall, 🇯🇵

Nishiya going in—

Yamaguchi going in3-2-0

Confirmationofficial ★

MethodTKO

Round3 of 8 · 0:31

Event

DateFeb 7, 2026

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/山口友士

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/2026年02月07日-後楽園ホール/

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