Vacant Japanese youth bantamweight title · 8 rounds

Ryōji
Miyashita
VS
Yuta
Sakai

Sakai · TKO 2/8

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

Jun 15, 2025 · Edion Arena Osaka Hall 2, 🇯🇵

Miyashita going in6-2-0

Sakai going in3-0-0

Confirmationofficial ★

MethodTKO

Round2 of 8 · 1:43

TitleVacant Japanese youth bantamweight title

Event

DateJun 15, 2025

VenueEdion Arena Osaka Hall 2

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/坂井優太

✓

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/2025年06月15日-エディオンアリーナ大阪/

✓