5 rounds

Shumpei
Kubo
VS
Kosuke
Tomioka

Kubo · TKO 3/5

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

Dec 20, 2020 · Korakuen Hall, 🇯🇵

Kubo going in—

Tomioka going in4-0-0

Confirmationofficial ★

MethodTKO

Round3 of 5 · 0:27

Notes2020年度東日本スーパーフライ級新人王決勝

Event

DateDec 20, 2020

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/富岡浩介

✓

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2020122001

✓