Kohei Sato
On May 23, 2011, The Sheik made his debut in Japan for Pro Wrestling Zero1. He returned to the promotion on July 3, defeating Ryouji Sai in a match, where both his NWA World Heavyweight Championship and Sai's World Heavyweight Championship were on the line, to become the new World Heavyweight Champion. He would go on to lose the title to Kohei Sato on November 6, 2011.