4 rounds

Hiroyuki
Esawa
VS
Joji
Kobayashi

Esawa · UD 4

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

Apr 7, 2015 · Korakuen Hall, 🇯🇵

Esawa going in—

Kobayashi going in—

Confirmationofficial ★

MethodUD

Roundscheduled 4

Event

DateApr 7, 2015

VenueKorakuen Hall

Country🇯🇵 Japan

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2015040701

✓