The Zero1 International Junior Heavyweight Championship is a professional wrestling title in Japanese promotion Pro Wrestling Zero1 (formerly Pro Wrestling Zero-One) and sanctioned by the Wrestling Superstars Live promotion, contested exclusively among junior heavyweight (<100 kg (220 lbs) wrestlers. It was originally created on June 29, 2002 as the NWA/UPW/Zero-One International Junior Heavyweight Championship, symbolizing Zero-One's relationship with the NWA and UPW; Leonardo Spanky defeated Smelly to become the first champion. When Zero-One left the NWA on October 31, 2004, the title was renamed to incorporate Steve Corino's Pro Wrestling World-1; the name was further added to when the newly renamed Zero1-Max joined the AWA on February 28, 2005. On August 26, 2006, when Minoru Fujita wo