4 rounds

Genki
Yamashita
VS
Kotaro
Sekine

Sekine · KO 2/4

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

Feb 6, 2022 · Korakuen Hall, 🇯🇵

Yamashita going in—

Sekine going in2-0-0

Confirmationofficial ★

MethodKO

Round2 of 4 · 2:26

Notes2021年度全日本スーパーライト級新人王決定戦

Event

DateFeb 6, 2022

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/関根幸太朗

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2022020601

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