Answer
Hayabusa won the Brass Knuckles Heavyweight Championship three times in his career. His first reign began on December 23, 1998, when he defeated the reigning champion, Takashi Iizuka. He lost the title to Yoshihiro Takayama on February 28, 1999, but regained it on March 21, 1999. He lost the title to Iizuka again on May 1, 1999.