Shinsuke Yamanaka (13-0-2) vs Ryōsuke Iwasa (8-0-0)

Date: 2011-03-05
Result: Winner: Shinsuke Yamanaka
Method: TKO
Round: 10 of 10
Time: 1:28
Venue: Korakuen Hall
City: Tokyo
Country: 🇯🇵 JP
Title: For Japanese bantamweight title
Confirmation: ✓✓ two sources

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Sources

Source	Side	Link	Observed
English Wikipedia	b	https://en.wikipedia.org/wiki/Ryosuke_Iwasa	2026-10-11
English Wikipedia	a	https://en.wikipedia.org/wiki/Shinsuke_Yamanaka	2026-10-11