Luis Gustavo knocks out Ilhom Nazimov to become new RIZIN lightweight champion

Luis Gustavo won the RIZIN lightweight championship by knocking out Ilhom Nazimov in the first round at RIZIN 53. This was the main event result among numerous bouts on the card. Other notable results included Ren Hiramoto vs Koji Tanaka ending in a draw under special stand-up rules with no weight limit, and Ryo Takagi defeating Kaiven Lee by first-round knockout. The card featured both MMA and kickboxing matches. Several fighters secured submission victories, including Shinobu Ota with an arm triangle in round two and Daiki Tsubota with a triangle in round one.