I.W.A. World Middleweight Title (Kokusai Pro)

Fake Ohnita	00/03/20	Ohtsu
Defeats Caras to become first champion; Caras has defeated Tadashi Sano on 00/03/06 in Yokohama for the match.
Tohkai Bushido V3	00/07/09	Yokohama
Toshiyuki Moriya	01/08/04	Tokyo
Masayoshi Motegi	01/12/02	Kanazawa
Vacates on 01/12/03.
Masayoshi Motegi [2]	01/12/16	Tokyo
Defeats Koji Ishinriki in the final of one-day 4-man tournament.
BENTEN	02/07/07	Kanazawa
Defeats Motegi and J.R.F. Lion in a 3-way match; title vacanrt.
Phantom Funagoshi	05/03/06	Tokyo
Defeats Viking Taniguchi.

Credits for title history information are given to these sites/people.