Following the name of the champion(s): Indicates the number of times the wrestler has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
*
If used next to the names of the wrestlers, they may, in fact, not have held the title in the period indicated. If used next to the dates or places, either they are possibly wrong or the title changes are fictitious.
<
Title was held or changed hands no later than this. In these cases, it is known that a wrestler held the title at a certain time but not when he/she won it.
+
Broadcast date; the actual recording date is unknown.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the wrestler shown should be recognized as a true title holder. These listings are also italicized in HTML files
KO-D (King Of DDT) Open-weight Title (as of 2024-10-30)
Orihara Masao
2000-04-19
Tōkyō
Defeats Takagi Sanshirō to become the first champion.
Kimura Kōichirō
2000-07-26
Tōkyō
Poison Sawada Julie
2000-10-11
Tōkyō
Takagi Sanshirō
2000-12-14
Tōkyō
Defeats Sawada, Super Uchū Power, and Hashimoto Tomohiko in a 4-way match.
Exciting Yoshida
2001-03-28
Tōkyō
Nosawa
2001-06-29
Tōkyō
Stripped on 01-11-22 by DDT commissioner for "not being appropriate as a champion".
Super Uchū Power
2001-11-30
Tōkyō
Defeats Takagi Sanshirō and Poison Sawada Julie in a 3-way match.
Mikami
2002-01-26
Tōkyō
Wins a triple title match for KO-D single, tag team, and Ironman titles, teaming with Sasaki Takashi against Super Uchū Power and Ironman champion Asian Cooger.
Super Uchū Power [2]
2002-02-06
Tōkyō
Takagi Sanshirō [2]
2002-05-03
Tōkyō
Kanemura Kintarō
2002-05-31
Tōkyō
Takagi Sanshirō [3]
2002-09-07
Chiba
GENTARO
2002-11-29
Tōkyō
Mikami [2]
2002-12-22
Tōkyō
Defeats GENTARO, Takagi Sanshirō, and Hashimoto Tomohiko in a 4-way match.
Sasaki Takashi
2003-07-18
Tōkyō
Ichimiya Shōichi
2003-10-26
Tōkyō
Poison Sawada Julie [2]
2004-02-11
Yokohama
Defeats Ichimiya, Takagi Sanshirō, and Ironman Heavymetalweight champion Danshoku Dieno in 4-way match to win both titles.
Mikami [3]
2004-11-02
Tōkyō
Dick Tōgō
2005-01-30
Tōkyō
Takagi Sanshirō [4]
2005-05-04
Tōkyō
Danshoku Dieno
2005-10-23
Tōkyō
Ōwashi Tōru
2006-05-02
Tōkyō
HARASHIMA
2006-12-29
Tōkyō
Koo
2007-06-03
Tōkyō
HARASHIMA [2]
2007-10-21
Tōkyō
Dick Tōgō [2]
2008-05-06
Tōkyō
Defeats HARASHIMA, Morohashi Seiya, Takagi Sanshirō, Yoshiaki Yago in a 5-way match.
Takagi Sanshirō [5]
2008-09-28
Tōkyō
Reigning Extreme Division champion, defeats Togo in a double title match.
HARASHIMA [3]
2009-05-04
Tōkyō
Ibushi Kōta
2009-08-23
Tōkyō
Ishikawa Shūji
2009-11-29
Tōkyō
Sekimoto Daisuke
2010-02-28
Tōkyō
HARASHIMA [4]
2010-07-25
Tōkyō
Satō Hikaru
2010-11-14
Ōsaka
Dick Tōgō [3]
2010-11-28
Tōkyō
Inactive after 10-12-22 due to injury.
Antōnio Honda #
2010-12-26
Tōkyō
Defeats GENTARO to be recognized as an interim champion.
Dick Tōgō [4]
2011-01-30
Tōkyō
Defeats Honda to become the undisputed champion.
Ishikawa Shūji [2]
2011-05-04
Tōkyō
KUDO
2011-07-24
Tōkyō
Danshoku Dieno [2]
2012-01-29
Tōkyō
Takagi Sanshirō [6]
2012-04-01
Tōkyō
Masa Takanashi
2012-04-01
Tōkyō
Hino Yūji
2012-05-04
Tōkyō
Ibushi Kōta [2]
2012-06-24
Tōkyō
El Generico (Sami Zayn)
2012-09-30
Tōkyō
Kenny Omega
2012-12-23
Tōkyō
Irie Shigehiro
2013-03-20
Tōkyō
HARASHIMA [5]
2013-08-18
Tōkyō
KUDO [2]
2014-03-21
Tōkyō
HARASHIMA [6]
2014-05-25
Nagoya
Ibushi Kōta [2]
2015-02-15
Saitama
HARASHIMA [7]
2015-04-29
Tōkyō
KUDO [3]
2015-05-31
Tōkyō
Ōka Ken
2015-06-28
Tōkyō
Defeats KUDO and Yasu Urano in a 3-way match.
KUDO [4]
2015-06-28
Tōkyō
Sakaguchi Yukio
2015-08-23
Tōkyō
Kodaka Isami
2015-11-28
Ōsaka
HARASHIMA [8]
2016-03-21
Tōkyō
Sasaki Daisuke
2016-04-24
Tōkyō
Takeshita Kōnosuke
2016-05-29
Tōkyō
Ishikawa Shūji [3]
2016-08-28
Tōkyō
HARASHIMA [9]
2016-12-04
Ōsaka
Takeshita Kōnosuke [2]
2017-03-20
Saitama
Irie Shigehiro [2]
2018-04-29
Tōkyō
Sami Callihan
2018-08-01
Dayton, OH, USA
Defeats Irie and Trey Miguel in a 3-way match.
Irie Shigehiro
2018-08-08
Dayton, OH, USA
Danshoku Dieno [3]
2018-08-14
Tōkyō
Satomura Meiko
2018-08-28
Tōkyō
A female wrestler.
Danshoku Dieno [4]
2018-09-23
Tōkyō
Defeats Satomura and Irie Shigehiro in a 3-way match.
Sasaki Daisuke [2]
2018-10-21
Tōkyō
Takeshita Kōnosuke [3]
2019-02-17
Tōkyō
Sasaki Daisuke [3]
2019-04-04
Woodside, NY, USA
Endō Tetsuya
2019-04-04
Woodside, NY, USA
Takeshita Kōnosuke [4]
2019-07-15
Tōkyō
HARASHIMA [10]
2019-11-03
Tōkyō
Tanaka Masato
2020-01-26
Tōkyō
Endō Tetsuya [2]
2020-06-07
Tōkyō (officially undisclosed location)
Akiyama Jun
2021-02-14
Kawasaki
Takeshita Kōnosuke [5]
2021-08-21
Kawasaki
Endō Tetsuya [3]
2022-03-20
Tōkyō
Vacates on 22-06-14 after suffering concussion during a match on 22-06-12.
Higuchi Kazusada
2022-07-03
Tōkyō
Defeats Yoshimura Naomi in the final of "King of DDT 2022" tournament; defeats Endō on 22-08-20 to retain the title.
