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New Japan Pro Wrestling
International Wrestling Grand Prix
Heavyweight Championship
(June 12, 1987 - Present)
Won By: Won From:     Date: Event: Location: Length of         
Title Reign:         
Antonio Inoki Tournament Jun. 12, 1987        I.W.G.P. Tournament Tokyo, Kantō, Japan 325 days     
Inoki defeated Masa Saito in the finals of a tournament held at the 1987 I.W.G.P. Tournament to be recognized as the first champion.
** Title Vacated ** Antonio Inoki May 02, 1988        -- -- 6 days     
Inoki vacates the title due to injury.
Tatsumi Fujinami Big Van Vader May 08, 1988        -- Tokyo, Kantō, Japan 19 days     
** Title Held-Up ** Fujinami & Choshu May 27, 1988        -- Sendai, Tōhoku, Japan 28 days     
The title is held-up after a no-contest match against Riki Choshu.
Tatsumi Fujinami (2) Riki Choshu Jun. 24, 1988        -- Osaka, Kansai, Japan 285 days     
** Title Vacated ** Tatsumi Fujinami Apr. 05, 1989        -- Osaka, Kansai, Japan 19 days     
Fujinami vacates the title in order for it to be decided in a tourament.
Big Van Vader Tournament Apr. 24, 1989        -- Tokyo, Kantō, Japan 31 days     
Vader defeated Shinya Hashimoto in the finals of a tournament with Lou Thesz as the special guest referee.
Salman Hashimikov Big Van Vader May 25, 1989        -- Osaka, Kansai, Japan 48 days     
Riki Choshu Salman Hashimikov Jul. 12, 1989        -- Osaka, Kansai, Japan 29 days     
Big Van Vader (2) Riki Choshu Aug. 10, 1989        -- Tokyo, Kantō, Japan 1 yr, 9 days     
Riki Choshu (2) Big Van Vader Aug. 19, 1990        -- Tokyo, Kantō, Japan 129 days     
Tatsumi Fujinami (3) Riki Choshu Dec. 26, 1990        -- Hamamatsu, Japan 22 days     
Big Van Vader (3) Tatsumi Fujinami Jan. 17, 1991        -- Yokohama, Kantō, Japan 46 days     
Tatsumi Fujinami (4) Big Van Vader Mar. 04, 1991        -- Hiroshima, Chūgoku, Japan 306 days     
Riki Choshu (3) Tatsumi Fujinami Jan. 04, 1992        W.C.W./N.J. Supershow Tokyo, Kantō, Japan 225 days     
The Great Mutah Riki Choshu Aug. 16, 1992        -- Fukuoka, Kyushu, Japan 1 yr, 35 days     
Shinya Hashimoto Tatsumi Fujinami Sep. 20, 1993        -- Nagoya, Chūbu, Japan 196 days     
Tatsumi Fujinami (5) Shin'ya Hashimoto Apr. 04, 1994        Battle Line Kyushu Hiroshima, Chūgoku, Japan 27 days     
Shinya Hashimoto Shinya Hashimoto May 01, 1994        Wrestling Dontaku Fukuoka, Kyushu, Japan 1 yr, 2 days     
Keiji Mutoh (2) Shinya Hashimoto May 03, 1995        Wrestling Dontaku Fukuoka, Kyushu, Japan 246 days     
Nobuhiko Takada Keiji Mutoh Jan. 04, 1996        Wrestling World Tokyo, Kantō, Japan 116 days     
Shinya Hashimoto (3) Nobuhiko Takada Apr. 29, 1996        Battle Formation Tokyo, Kantō, Japan 1 yr, 124 days     
Kensuke Sasaki Shinya Hashimoto Aug. 31, 1997        Final Power Hall Yokohama, Kantō, Japan 216 days     
Tatsumi Fujinami (6) Kensuke Sasaki Apr. 04, 1998        Inoki Retirement Show Tokyo, Kantō, Japan 126 days     
Masahiro Chono Tatsumi Fujinami Aug. 08, 1998        Rising TNG Osaka, Kansai, Japan 44 days     
** Title Vacated ** Masahiro Chono Sep. 21, 1998        -- -- 2 days     
Chono vacates the title due to injury.
Scott Norton Yuji Nagata Sep. 23, 1998        Big Wednesday Yokohama, Kantō, Japan 103 days     
Keiji Mutoh (3) Scott Norton Jan. 04, 1999        Wrestling World Tokyo, Kantō, Japan 340 days     
Genichiro Tenryu Keiji Mutoh Dec. 10, 1999        Battle Final Tour Osaka, Kansai, Japan 25 days     
Kensuke Sasaki (2) Genichiro Tenryu Jan. 04, 2000        Wrestling World Tokyo, Kantō, Japan 279 days     
** Title Vacated ** Kensuke Sasaki Oct. 09, 2000        Do Judge!! Tokyo, Kantō, Japan 87 days     
Sasaki vacated the title after lossing to Toshiaki Kawada in a non-title match.
Kensuke Sasaki (3) Tournament Jan. 04, 2001        Wrestling World Tokyo, Kantō, Japan 72 days     
Sasaki defeated Toshiaki Kawada in the finals of a tournament for the vacant title.
Scott Norton (2) Kensuke Sasaki Mar. 17, 2001        Hyper Battle Tour Nagoya, Chūbu, Japan 23 days     
Kazuyuki Fujita Scott Norton Apr. 09, 2001        Strong Style Osaka, Kansai, Japan 270 days     
** Title Vacated ** Kazuyuki Fujita Jan. 04, 2002        -- -- 43 days     
Fujita vacates the title due to injury.
Tadao Yasuda Tournament Feb. 16, 2002        Fighting Spirit Tour Tokyo, Kantō, Japan 48 days     
Yasuda defeated Yuji Nagata in the finals of a tournament for the vacant title.
Yuji Nagata Tadao Yasuda Apr. 05, 2002        Toukon Special Tokyo, Kantō, Japan 1 yr, 27 days     
Yoshihiro Takayama Yuji Nagata May 02, 2003        Ultimate Crush Tokyo, Kantō, Japan 185 days     
Hiroyoshi Tenzan Yoshihiro Takayama Nov. 03, 2003        Yokohama Dead Out Yokohama, Kantō, Japan 36 days     
Shinsuke Nakamura Hiroyoshi Tenzan Dec. 09, 2003        Battle Final Tour Osaka, Kansai, Japan 58 days     
** Title Vacated ** Shinsuke Nakamura Feb. 05, 2004        -- -- 10 days     
Nakamura vacated the title due to injuries.
Hiroyoshi Tenzan (2) Tournament Feb. 15, 2004        Fighting Spirit Tour Tokyo, Kantō, Japan 26 days     
Tenzan defeated Genichiro Tenryu in the finals of a tournament for the vacant title.
Kensuke Sasaki (4) Hiroyoshi Tenzan Mar. 12, 2004        Hyper Battle Tour Tokyo, Kantō, Japan 16 days     
Bob Sapp Kensuke Sasaki Mar. 28, 2004        King Of Sports Tokyo, Kantō, Japan 66 days     
** Title Vacated ** Bob Sapp Jun. 02, 2004        -- -- 3 days     
Sapp vacates the title after losing a K-1 fight to Kazuyuki Fujita.
Kazuyuki Fujita (2) Hiroshi Tanahashi Jun. 05, 2004        The Crush II Osaka, Kansai, Japan 126 days     
Kensuke Sasaki (5) Kazuyuki Fujita Oct. 09, 2004        Pro-Wrestlers Be Strong Tokyo, Kantō, Japan 64 days     
Hiroyoshi Tenzan (3) Kensuke Sasaki Dec. 12, 2004        Battle Final Tour Nagoya, Chūbu, Japan 70 days     
Satoshi Kojima Hiroyoshi Tenzan Feb. 20, 2005        New Year Gold Series Tokyo, Kantō, Japan 83 days     
Hiroyoshi Tenzan (4) Satoshi Kojima May 14, 2005        Nexess VI Tokyo, Kantō, Japan 65 days     
Kazuyuki Fujita (3) Hiroyoshi Tenzan Jul. 18, 2005        Summer Fight Series Sapporo, Hokkaido, Japan 82 days     
Brock Lesnar 3-Way Match Oct. 08, 2005        Toukon Souzou New Chapter Tokyo, Kantō, Japan 280 days     
** Title Vacated ** Brock Lesnar Jul. 15, 2006        -- -- 2 days     
Lesnar vacates the title after being unable to defend the title because of a problem with a working visa. However, Lesnar refuses to turn over the physical belt and is later recognized as champion by Inoki Genome Federation as their first champion with the I.W.G.P. belt.
Hiroshi Tanahashi Tournament Jul. 17, 2006        Circuit Turbulence Tour Sapporo, Hokkaido, Japan 270 days     
Tanahashi defeated Giant Bernard in the finals of a tourment for the vacant title.
Yuji Nagata (2) Hiroshi Tanahashi Apr. 13, 2007        New Japan Brave Tour Osaka, Kansai, Japan 178 days     
Hiroshi Tanahashi (2) Yuji Nagata Oct. 08, 2007        Explosion '07 Tokyo, Kantō, Japan 88 days     
Shinsuke Nakamura (2) Hiroshi Tanahashi Jan. 04, 2008        Wrestle Kingdom Tokyo, Kantō, Japan 114 days     
On February 17, 2008, Nakamura defeats Kurt Angle to unify the title with the disputed title originally won by Brock Lesnar in 2005.
Keiji Mutoh (4) Shinsuke Nakamura Apr. 27, 2008        -- Osaka, Kansai, Japan 252 days     
Hiroshi Tanahashi (3) Keiji Mutoh Jan. 04, 2009        -- Tokyo, Kantō, Japan 122 days     
Manabu Nakanishi Hiroshi Tanahashi May 06, 2009        -- Tokyo, Kantō, Japan 45 days     
Hiroshi Tanahashi (4) Manabu Nakanishi Jun. 20, 2009        Dominion Osaka, Kansai, Japan 58 days     
** Title Vacated ** Hiroshi Tanahashi Aug. 17, 2009        -- -- 41 days     
Tanahashi vacates title due to injury.
Shinsuke Nakamura (3) Togi Makabe Sep. 27, 2009        -- Kobe, Kansai, Japan 218 days     
Togi Makabe Shinsuke Nakamura May 03, 2010        Wrestling Dontaku Fukuoka, Kyushu, Japan 161 days     
Satoshi Kojima (2) Togi Makabe Oct. 11, 2010        Destruction Tokyo, Kantō, Japan 85 days     
Hiroshi Tanahashi (5) Satoshi Kojima Jan. 04, 2011        Wrestle Kingdom Tokyo, Kantō, Japan 1 yr, 39 days     
Kazuchika Okada Hiroshi Tanahashi Feb. 12, 2012        The New Beginning Osaka, Kansai, Japan 125 days     
Hiroshi Tanahashi (6) Kazuchika Okada Jun. 16, 2012        Dominion Osaka, Kansai, Japan 295 days     
Kazuchika Okada (2) Hiroshi Tanahashi Apr. 07, 2013        Invasion Attack Tokyo, Kantō, Japan 1 yr, 26 days     
A.J. Styles Kazuchika Okada May 03, 2014        Wrestling Dontaku Fukuoka, Kyushu, Japan 153 days     
Hiroshi Tanahashi (7) A.J. Styles Oct. 03, 2014        King of Pro-Wrestling Tokyo, Kantō, Japan 131 days     
A.J. Styles (2) Hiroshi Tanahashi Feb. 11, 2015        The New Beginning Osaka, Kansai, Japan 144 days     
Kazuchika Okada (2) A.J. Styles Jul. 05, 2015        Dominion Osaka, Kansai, Japan 280 days     
Tetsuya Naito Kazuchika Okada Apr. 10, 2016        Invasion Attack Tokyo, Kantō, Japan 70 days     
Kazuchika Okada (4) Tetsuya Naito Jun. 19, 2016        Dominion Osaka, Kansai, Japan 1 yr, 60 days