Vacant WBO interim mini-flyweight title · 12 rounds

Russell
Acosta Silveira
VS
Ryūsei
Matsumoto

Matsumoto · UD 12/12

Sep 27, 2026 · Toyota Arena Tokyo, Tokyo, 🇯🇵

Silveira going in—

Matsumoto going in8-0-0

Confirmation✓ one source

MethodUD

Round12 of 12

TitleVacant WBO interim mini-flyweight title

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Ryūsei_Matsumoto

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/松本流星

✓