WBO Asia Pacific title · 12 rounds

Kai
Watanabe
VS
Reo
Saito

Saito · TKO 3/12

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

Jul 31, 2025 · Korakuen Hall, 🇯🇵

Watanabe going in14-2-1

Saito going in5-1-0

Confirmationofficial ★

MethodTKO

Round3 of 12 · 2:02

TitleWBO Asia Pacific title

Event

DateJul 31, 2025

VenueKorakuen Hall

Country🇯🇵 Japan

Wikipedia (ja)
side a · observed 2026-10-12
ja.wikipedia.org/wiki/渡邊海

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Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/2025年07月31日-後楽園ホール/

✓