# 666 Disorder Openweight Championship

The 666 Disorder Openweight Championship (Japanese: 666認定無秩序無差別級王座, Hepburn: Toripuru Shikkusu-nintei Muchitsujo Musabetsu-kyū Ōza) 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.
| Round 2 February 23, April 28, June 6 | Round 2 February 23, April 28, June 6 | Quarterfinals August 17, October 27 | Quarterfinals August 17, October 27 | Semifinals December 23 | Semifinals December 23 | | Final December 23 | Final December 23 |
| Yuko Miyamoto | Pin | | | | | | | |
| Naoshi Sano | 7:46 | | | | | | | |
| Naoshi Sano | 7:46 | Yuko Miyamoto | Pin | | | | | |
| | | Kouzy | 1:36 | | | | | |
| K666 | 9:13 | Kouzy | 1:36 | | | | | |
| Kouzy | Pin | | | | | | | |
| Kouzy | Pin | | | Yuko Miyamoto | Pin | | | |
| | | | | Koju Takeda | 9:22 | | | |
| Koju Takeda | Pin | | | | | Koju Takeda | 9:22 | | | |
| Masked Badi II | 12:39 | | | | | | | |
| Masked Badi II | 12:39 | Koju Takeda | Pin | | | | | |
| | | Hiroaki Taniguchi | 9:12 | | | | | |
| Mame Endo | 13:06 | Hiroaki Taniguchi | 9:12 | | | | | |
| Hiroaki Taniguchi | Sub | | | | | | | |
| Hiroaki Taniguchi | Sub | | | | | | Yuko Miyamoto | Pin |
| | | | | | | | Onryo | 12:35 |
| Onryo | Pin | | | | | | | | Onryo | 12:35 |
| Hercules Senga | 7:43 | | | | | | | |
| Hercules Senga | 7:43 | Onryo | Pin | | | | | |
| | | Taro Yamada | 11:15 | | | | | |
| Ram Kaicho | | Taro Yamada | 11:15 | | | | | |
| Taro Yamada | Forfeit | | | | | | | |
| Taro Yamada | Forfeit | | | Onryo | Pin | | | |
| | | | | Konaka=Pahalwhan | 7:42 | | | |
| Konaka=Pahalwhan | Pin | | | | | Konaka=Pahalwhan | 7:42 | | | |
| Takonyūtō | 12:00 | | | | | | | |
| Takonyūtō | 12:00 | Konaka=Pahalwhan | Pin | | | | | |
| | | Nene Mugen D.a.i | 5:53 | | | | | |
| Shinobu | Sub | Nene Mugen D.a.i | 5:53 | | | | | |
| Nene Mugen D.a.i | 9:58 | | | | | | | |

## Reigns

As of October 26, 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.
Key :
| No. | Overall reign number |
| Reign | Reign number for the specific champion |
| Days | Number of days held |
| Defenses | Number of successful defenses |
| + | Current reign is changing daily |
| 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. |
| 1 | Yuko Miyamoto | December 23, 2018 | 666 vol. 86: 16th Anniversary Show | Tokyo, Japan | 1 | 552 | 4 | Defeated Onryo in the final of a 16-person tournament to become the inaugural champion. | |
| 2 | Onryo | June 27, 2020 | 666 vol. 97: Onryo Debut 25th Anniversary Show | Tokyo, Japan | 1 | 562 | 2 | | |
| 3 | Konaka=Pahalwhan | January 10, 2022 | 666 vol. 111 | Tokyo, Japan | 1 | 569 | 5 | | |
| 4 | Koju Takeda | August 2, 2023 | 666 vol. 131: 666 20th Anniversary & Yuko Miyamoto Debut 20th Anniversary Show | Tokyo, Japan | 1 | 149 | 0 | | |
| — | Vacated | December 29, 2023 | 666 vol. 136 | Tokyo, Japan | — | — | — | The title was vacated after Koju Takeda suffered a torn calf muscle and was diagnosed with a cervical hernia in October. | |
| 5 | Ikuto Hidaka | April 28, 2024 | 666 vol. 141 | Tokyo, Japan | 1 | 181+ | 3 | Defeated Yuko Miyamoto in a tournament final to win the vacant title. | |