4 rounds

Ken
Onuma
VS
Naoyuki
Matsuda

Onuma · UD 4

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

Sep 8, 2026 · Korakuen Hall, 🇯🇵

Onuma going in—

Matsuda going in—

Confirmationofficial ★

MethodUD

Roundscheduled 4

Event

DateSep 8, 2026

VenueKorakuen Hall

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/2026年09月08日-後楽園ホール/

✓