4 rounds

Keita
Hayashi TEAM10COUNT
VS
Yusaku
Sekishima

Sekishima · TKO 3/4

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

Sep 28, 2018 · Korakuen Hall, 🇯🇵

TEAM10COUNT going in—

Sekishima going in5-1-0

Confirmationofficial ★

MethodTKO

Round3 of 4 · 0:48

Notes2018年度東日本スーパーフェザー級新人王予選

Event

DateSep 28, 2018

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=2018092801

✓