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Thanongsak Simsri retains IBF title with second-round TKO over Mark Vicelles

Yahoo Sports • 1 min read • Latest: Sep 28, 2026, 4:01 PM

Last updated Sep 28, 2026

Thanongsak Simsri retains IBF title with second-round TKO over Mark Vicelles

Summary

Thanongsak Simsri scored a technical knockout win over Mark Vicelles at 2:05 in the second round during a title defense on September 26 in Shizuoka, Japan. This marks Simsri's second successful defense of the IBF light flyweight world title, which he won in June last year against Cristian Araneta. Despite Vicelles showing promise with some early body shots, Simsri quickly took control of the fight, knocking down Vicelles twice in the second round before the referee halted the bout after a barrage of punches.

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By the Numbers

•Simsri moves to 41-1 with 36 KOs after the fight.
•Vicelles falls to 21-3-1 with 11 KOs following this defeat.
•Fight was held at the Fujisanmesse during a Suruga Danji Promotions card.
•Simsri won the IBF title against Cristian Araneta in June 2025.

Latest Updates

4:01 PMYahoo Sports — Title fights from around the world: Thanongsak Simsri scores another quick stoppage in title defence

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