Ultimate Crush was a major professional wrestling and mixed martial arts event promoted by New Japan Pro-Wrestling (NJPW). The event took place on May 2, 2003, at the Tokyo Dome in Tokyo, Japan. The card contained a mixture of pro wrestling matches and mixed martial arts fights. The show was headlined by Yoshihiro Takayama defending the NWF Heavyweight Championship against Yuji Nagata, who also defended the IWGP Heavyweight Championship in a unification match.