Quintet 4 was a team grappling survival event held held by Quintet on September 10, 2023, at the Yokohama Arena in Tokyo, Japan. The original four teams competing would represent Polaris, 10th Planet Jiu Jitsu, New Wave Jiu-Jitsu, and Kazushi Sakuraba. However, Team New Wave Jiu-Jitsu withdrew from the event on July 28, 2023. They were replaced by B-Team Jiu-Jitsu the following day.