In one of the 2 K-1 rules fights at Dynamite!! 2010, Dream fighter Gegard Mousasi improved his K-1 record to a perfect 2-0 with an upset win over Kyotaro. The K-1 Heavyweight champion came into the fight looking to avenge fellow K-1 fighter Musashi's loss to Gegard in 2008, but instead found himself added to Mousasi's mantle.
The first round was close, with both Kyotaro effectively using his superior skills to keep Mousasi at bay. But in the 2nd, Kyotaro slowed down and Mousasi caught him, scoring a knockdown that had Kyotaro doing the proverbial chicken dance. It looked like Mousasi would stop him in the 2nd, but Kyotaro survived until the final bell. The decision was academic, as Mousasi easily claimed the victory on the judges' scorecards.
An unfortunate ending to an otherwise superb year for Kyotaro.