On this page, you find the full Title History for the IWGP Heavyweight Championship (IGF), with all Championship Info, Statistics, the Belt Design changes through the years, and the full list of Title Reigns, along with dates, events, and reign durations.
The IWGP Heavyweight Championship (IGF) was a World Title contested in New Japan Pro Wrestling, Total Nonstop Action Wrestling and Inoki Genome Federation, by men wrestlers.
The championship was first established on July 15, 2006, and the inaugural champion was Brock Lesnar.
On July 15, 2006, NJPW stripped Brock Lesnar of the IWGP Heavyweight Championship, due to his failure to show up for a scheduled title defense, over contractual disputes.
NJPW founder Antonio Inoki saw this event as an error made by NJPW, left NJPW, and created his own promotion, the Inoki Genome Federation.
Inoki also created this parallel version of the IWGP Heavyweight Championship, with Lesnar still recognized as the champion, as he also maintained physical possession of the V3 belt.
As IGF was an NWA territory, the title was also recognized as the "NWA Japan Championship". The title also saw the involvement of TNA, which recognized it as the "IWGP World Heavyweight Championship" - while NJPW referred to it as the "IWGP 3rd Belt" but did not officially recognize it.
The IWGP Heavyweight Championship (IGF) was retired on February 17, 2008, when it was unified into the IWGP Heavyweight Championship, with the final champion being Shinsuke Nakamura.
IWGP Heavyweight Championship (IGF): Title History
For the Title History of the championship in which this title was unified into, see the page for the IWGP Heavyweight Championship.
IWGP Heavyweight Championship (IGF): Title Reigns
N. Image Champion Reign New Japan Pro Wrestling Unified into the IWGP Heavyweight Championship
The title was unified into NJPW's IWGP Heavyweight Championship, and the IGF version was deactivated.3 
Shinsuke Nakamura 1
This was a match to unify IGF's IWGP Heavyweight Championship and NJPW's IWGP Heavyweight Championship.0days2 
Kurt Angle 1
June 29, 2007 Tokyo, Japan | IGF Toukon Bom-Ba-Ye233daysInoki Genome Federation 1 
Brock Lesnar 1
Brock Lesnar won the IWGP Heavyweight Championship on NJPW on October 8, 2005, but NJPW stripped Lesnar of the title on July 15, 2006. IGF, however, considered his reign still active and introduced his version of the title (unrecognized by NJPW).629days
IWGP Heavyweight Championship (IGF): Names & Belt Designs
- IWGP 3rd Belt (NJPW)August 13, 2007February 17, 2008
- IWGP World Heavyweight Championship (TNA)July 5, 2007August 12, 2007
- IWGP Heavyweight Championship (IGF)October 8, 2005July 4, 2007
IWGP Heavyweight Championship (IGF): Statistics
NJPW
TNA- Promotion
Inoki Genome Federation - TerritoryWorld Tier 2
- DivisionPrimary
- GenderMale
- Date EstablishedJuly 15, 2006
- Date RetiredFebruary 17, 2008
- Unified Into
IWGP Heavyweight Championship
- First ChampionBrock Lesnar
- Final ChampionShinsuke Nakamura
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