# IWA World Heavyweight Championship (IWA Japan)

The IWA World Heavyweight Championship (Japanese: IWA世界ヘビー級王座, Hepburn: IWA Sekai Hebī-kyū Ōza) was a title used on the Japanese independent circuit. The title was the world heavyweight championship of the International Wrestling Association of Japan (IWA Japan). It was later revived in the women's wrestling promotion Gatoh Move Pro Wrestling, where it became part of the IWA Triple Crown Championship (Japanese: IWA三冠統一王座, Hepburn: IWA Sankan Tōitsu Ōza) with a separate reign history.

## Title history
### IWA World Heavyweight Championship

Key :
| No. | Overall reign number |
| Reign | Reign number for the specific champion |
| Days | Number of days held |
| <1 | Reign lasted less than a day |
| No. | Champion | Championship change | Championship change | Championship change | Reign statistics | Reign statistics | Notes | Ref. |
| No. | Champion | Date | Event | Location | Reign | Days | Notes | Ref. |
| International Wrestling Association of Japan |||||||||
| 1 | Dick Slater | July 20, 1994 | Who Is the Best | Iwate Prefecture, Japan | 1 | 391 | Defeated Nobutaka Araya to become the inaugural champion. | |
| — | Vacated | August 15, 1995 | — | — | — | — | Vacated due to Slater leaving Japan to return to the United States because of his mother's illness. | |
| 2 | Tarzan Goto | August 15, 1995 | Kawasaki★Dream: The Indie Dream | Yokkaichi, Japan | 1 | 438 | Defeated Leatherface to win the vacant title. | |
| — | Vacated | October 26, 1996 | — | — | — | — | Vacated when Goto left the promotion. | |
| 3 | Doug Gilbert | January 13, 1998 | House show | Tokyo, Japan | 1 | 455 | Won a 15-man Battle Royal Deathmatch by last eliminating Keisuke Yamada to win the vacant title. | |
| 4 | Ghost Face | April 13, 1999 | House show | Tokyo, Japan | 2 | 129 | Previously held the title under the name Tarzan Goto. Reverted to this name on June 27, 1999. | |
| — | Vacated | August 20, 1999 | — | — | — | — | Vacated due to unknown circumstances. | |
| 5 | Hacksaw Jim Duggan | August 31, 2004 | IWA Japan 10th Anniversary Show | Tokyo, Japan | 1 | 239 | Defeated Big Boss Man in a six-man tournament final to win the vacant title. | |
| — | Vacated | April 27, 2005 | — | — | — | — | Vacated due to unknown circumstances. | |
| 6 | Black Buffalo | July 2, 2009 | House show | Tokyo, Japan | 1 | 156 | Defeated Keizo Matsuda to win the vacant championship. | |
| 7 | Keizo Matsuda | December 5, 2009 | House show | Tokyo, Japan | 1 | 531 | | |
| — | Vacated | May 20, 2011 | — | — | — | — | Vacated when Matsuda left the promotion. | |
| — | Deactivated | July 30, 2011 | — | — | — | — | | |
| 8 | Emi Sakura | November 16, 2013 | House show | Tokyo, Japan | 1 | <1 | Defeated Kyonin Shihan to win the vacant title. This match was also contested for the AWF World Women's Championship and the IWA World Junior Heavyweight Championship. | |
| — | Unified | November 16, 2013 | — | — | — | — | Unified with the AWF World Women's Championship and the IWA World Junior Heavyweight Championship to create the IWA Triple Crown Championship. | |

### IWA Triple Crown Championship

Key :
| No. | Overall reign number |
| Reign | Reign number for the specific champion |
| Days | Number of days held |
| Defenses | Number of successful defenses |
| <1 | Reign lasted less than a day |
| No. | Champion | Championship change | Championship change | Championship change | Reign statistics | Reign statistics | Reign statistics | Notes | Ref. |
| No. | Champion | Date | Event | Location | Reign | Days | Defenses | Notes | Ref. |
| Gatoh Move Pro Wrestling ||||||||||
| 1 | Emi Sakura | November 16, 2013 | IWA Japan house show | Tokyo, Japan | 1 | 41 | 0 | Defeated Kyonin Shihan to unify the vacant IWA World Heavyweight Championship, the IWA World Junior Heavyweight Championship and the AWF World Women's Championship. | |
| 2 | Antonio Honda | December 27, 2013 | Japan Tour #79: Last Itabashi Of 2013 | Tokyo, Japan | 1 | 29 | 0 | This was an Ogiri Deathmatch. | |
| 3 | Emi Sakura | January 25, 2014 | Japan Tour #87 | Tokyo, Japan | 2 | 197 | 2 | This was a Wasabi Cream Deathmatch. | |
| 4 | Konaka Pahalwan | August 10, 2014 | Japan Tour #122: Sakura 7 Days War | Tokyo, Japan | 1 | 55 | 1 | | |
| 5 | Emi Sakura | October 4, 2014 | Japan Tour #131 | Tokyo, Japan | 3 | 29 | 1 | | |
| 6 | Riho | November 2, 2014 | Japan Tour #135: Thinking of Culture | Tokyo, Japan | 1 | 323 | 4 | | |
| 7 | DJ Nira | September 21, 2015 | Japan Tour #187: First Time in Yokohama | Tokyo, Japan | 1 | 92 | 2 | | |
| 8 | Kaori Yoneyama | December 22, 2015 | Japan Tour #202: Last Itabashi of 2015 | Tokyo, Japan | 1 | 183 | 1 | | |
| 9 | Riho | June 22, 2016 | Riho 10th Anniversary: Flowers Blooming for 10 Years | Tokyo, Japan | 2 | 150 | 0 | | |
| 10 | Makoto | November 19, 2016 | Japan Tour #258 | Tokyo, Japan | 1 | 224 | 2 | | |
| — | Vacated | July 1, 2017 | — | — | — | — | — | Vacated due to Makoto suffering a neck injury. | |
| 11 | Emi Sakura | August 5, 2017 | Japan Tour #303 | Nagoya, Japan | 4 | <1 | 0 | Defeated Riho to win the vacant title. | |
| — | Deactivated | August 5, 2017 | — | — | — | — | — | Sakura immediately retired the title and returned the belt to IWA Japan. Gatoh Move then introduced the Super Asia Championship to take its place. | |