666 Disorder Openweight Championship

The 666 Disorder Openweight Championship (666認定無秩序無差別級王座) is a professional wrestling championship and the top singles accomplishment in the Japanese promotion Wrestling of Darkness 666 (Triple Six), established in 2018.

The title is currently vacant.

History
On December 23, 2018, Yuko Miyamoto defeated Onryo in the final of a 16-person tournament to win the inaugural title.

Inaugural tournament
The tournament to crown the inaugural 666 Disorder Openweight Champion started on February 23, 2018, at 666 vol. 81. A "first round" 26-person battle royal was held with the last 15 survivors advancing to the second round alongside Mame Endo who received an automatic bye.

In October 2023, Koju Takeda vacated the title after suffering an injury and having been diagnosed with a cervical hernia. A tournament was then held in early 2024 to determine a new champion.

Reigns
As of July 29, 2024, there have been a total of five reigns shared among five different wrestlers, and two vacancies. The current champion is Ikuto Hidaka who is in his first reign.