Luis Gustavo wins RIZIN lightweight title with first-round KO of Ilkhom Nazimov

At RIZIN 53, Luis Gustavo captured the lightweight championship by knocking out Ilkhom Nazimov in the first round. The event featured multiple notable results including a draw between Ren Hiramoto and Koji Tanaka in a special stand-up rules bout with no weight limit. Ryo Takagi defeated Kaiven Lee by first-round knockout. Shinobu Ota submitted Yuto Hokamura with an arm triangle in round two. Other finishes included Ryan Cafaro submitting Koyomi Matsushima with a guillotine in the third round, and several first-round stoppages throughout the card.