Souza vs Ki

Who won Souza vs Ki?

Roberto ‘Satoshi’ de Souza beat Won Bin Ki by submission in the 1st round during the main event of RIZIN in Korea, on Saturday 31st May 2025 at Paradise City in Seoul.

The fight was scheduled to take place over 3 rounds in the Lightweight division, which meant the weight limit was 155 pounds (11.1 stone or 70.3 KG).

This contest was for the Rizin Lightweight championship.

Souza vs Ki stats

Roberto ‘Satoshi’ de Souza stepped into the octagon with a record of 18 wins, 3 losses and 0 draws, 6 of those wins coming by the way of knock out and 11 by submission.

Won Bin Ki made his way to the cage with a record of 18 wins, 9 losses and 0 draws, 12 of those wins coming by knock out and 3 by submission.

This was Roberto ‘Satoshi’ de Souza's 15th fight in Rizin, having made his debut for the promotion in 2019. Won Bin Ki marked his 1st fight for them, having made his own debut for the promotion in 2025.

Roberto ‘Satoshi’ de Souza's Rizin record stood at 12-3-0, while Won Bin Ki's came in at 0-1-0.

The stats suggested Ki had a massive power advantage over Souza, boasting a 67% knock out percentage over Souza's 33%.

If the fight went to the ground, their records suggested Souza had a massive advantage over Ki, boasting a 61% submission rate over Ki's 17%.

Roberto ‘Satoshi’ de Souza was the older man by 35 years, at 35 years old.

Souza was arguably the less experienced fighter, having had 6 fewer fights, and made his debut in , 11 years and 2 months earlier than Ki, whose first professional fight was in 2014. He had fought 15 less professional rounds, 30 to Ki's 45.

Souza vs Ki form

Souza had beaten 4 of his last 5 opponents, stopping 2 of them, going to the judges twice.

In his last fight before this contest, he had won against Vugar Kyaramov at RIZIN DECADE on 31st December 2024 by submission in the 1st round in their Rizin Lightweight championship fight at Saitama Super Arena, Saitama, Japan.

Previous to that, he had beaten Luiz Gustavo at RIZIN 48 on 29th September 2024 by knockout in the 1st round in their Rizin Lightweight championship fight at Saitama Super Arena, Saitama.

Going into that contest, he had defeated Keita Nakamura at RIZIN LANDMARK 9 in KOBE on 23rd March 2024 by knockout in the 1st round at Kobe World Hall, Kobe.

Before that, he had lost to Patricky Pitbull at Bellator MMA vs. RIZIN 2 on 29th July 2023 by knockout in the 3rd round at Saitama Super Arena, Saitama.

He was victorious against Spike Carlyle at RIZIN 42 on 6th May 2023 by unanimous decision in their 3 round contest at Tokyo Ariake Arena, Tokyo.

Activity check

Souza's last 5 fights had come over a period of 2 years, 1 month and 2 days, meaning he had been fighting on average every 5 months and 1 day. In those fights, he fought a total of 9 rounds, meaning that they had lasted 1.8 rounds on average.

What time did Souza vs Ki start?

The fighters were expected to walk out at around 5:10 AM UTC , which was 1:10 AM EST or 10:10 PM PST on the West Coast of America, or 6:10 AM BST in the UK.

What were the odds on Souza vs Ki?

Sorry, we couldn’t find any historical odds for Souza vs Ki.