Simsri vs Vicelles

Who won Simsri vs Vicelles?

Thanongsak Simsri beat Mark Vicelles by technical knockout in the 2nd round on Saturday, September 26th, 2026, at FujisanMesse, Fuji.

The fight was scheduled to take place over 12 rounds in the Jr Flyweight division, which meant the weight limit was 108 pounds (7.7 stone or 49 kg).

This contest was for the IBF jr flyweight championship of the world.

Simsri was making his 3rd defense of the IBF World Junior Flyweight Championship. He won this belt against Christian Araneta in June 2025. He had held this belt for 1 year, 3 months and 21 days.

Simsri vs Vicelles stats

Thanongsak Simsri stepped into the ring with a record of 40 wins, 1 loss, and 0 draws, 35 of those wins coming by way of knockout.

Mark Vicelles made his way to the ring with a record of 21 wins, 2 losses and 1 draw, with 11 of those wins by knockout.

The stats suggested Simsri had a massive power advantage over Vicelles, boasting a 88% knockout percentage compared to Vicelles' 52%.

Thanongsak Simsri was the younger man by 4 years, at 26 years old.

Vicelles had a height advantage of 2 inches over Simsri.

Thanongsak Simsri fought out of the orthodox stance, while Mark Vicelles was a southpaw.

Simsri was arguably the more experienced fighter, having had 17 more fights, and made his debut in 2018, 2 years and 5 months later than Vicelles, whose first professional fight was in 2016. He had fought 10 more professional rounds, totaling 147 compared to Vicelles' 137.

Mark Vicelles was ranked number 12 by the IBF in the 108lb division.

Activity check

Simsri's last 3 fights had come over a period of 1 year, 9 months and 11 days, which means he had been fighting approximately every 7 months and 4 days. In those fights, he fought a total of 26 rounds, meaning that they had lasted 8.7 rounds on average.

What time did Simsri vs Vicelles start?

The fighters were expected to ringwalk at around 9:00 AM UTC at FujisanMesse, Fuji, Japan, which was 5:00 AM EST or 2:00 AM PST on the West Coast of America, or 10:00 AM BST in the UK.

What were the odds on Simsri vs Vicelles?

Thanongsak Simsri was a 2/15 (-770) favorite going into the contest, while Mark Vicelles made his way into the ring at 6/1 (+600) with oddsmakers.