4 rounds

Kanata
Shinya
VS
Yusaku
Sekishima

Sekishima · UD 4/4

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

Jun 3, 2017 · Korakuen Hall, 🇯🇵

Shinya going in—

Sekishima going in1-1-0

Confirmationofficial ★

MethodUD

Round4 of 4

Event

DateJun 3, 2017

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/関島優作

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2017060301

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