8 rounds

Ryan
Ponteras
VS
Seiya
Tsutsumi

Tsutsumi · TKO 1/8

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

Apr 14, 2019 · Koshi City General Gymnasium, 🇯🇵

Ponteras going in—

Tsutsumi going in6-0-0

Confirmationofficial ★

MethodTKO

Round1 of 8 · 1:52

Event

DateApr 14, 2019

VenueKoshi City General Gymnasium

Country🇯🇵 Japan

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/堤聖也

✓

Japan Boxing Commission — 試合報告書
side neutral · observed 2026-10-14
jbc.or.jp/result/#no=2019041401

✓