8 rounds

Ryusuke
Kubo
VS
Yoshihiro
Utsumi

Utsumi · MD 8

Aug 5, 2026 · Korakuen Hall, 🇯🇵

Kubo going in—

Utsumi going in—

Confirmationofficial ★

MethodMD

Roundscheduled 8

Event

DateAug 5, 2026

VenueKorakuen Hall

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/2026年08月05日-後楽園ホール/

✓