K-1 - Dynamite!! Power of Courage 2010 features a heavyweight championship bout between Alistair Overeem and Todd Duffee and a featherweight championship bout between Bibiano Fernandes and Hiroyuki Takaya. It was held before 26,729 fans at the Saitama Super arena on 31st December 2010.

• Alistair Overeem
• Shinya Aoki