World Woman Pro-Wrestling Diana World Championship
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The World Woman Pro-Wrestling Diana World Championship (often known as the WWWD Certified World Singles Championship) is a women's professional wrestling championship promoted by the Japanese professional wrestling promotions World Woman Pro-Wrestling Diana. During its existence, the title has been promoted by various other promotions such as Pro Wrestling Wave on World Wonder Ring Stardom while held by certain wrestlers who were part of other promotions World.
Like most professional wrestling championships, the title is won as a result of a scripted match. There have been a total of 21 reigns and two vacancy shared between 12 different champions. The current champion is Debbie Keitel who is in her first reign.
Title history
On April 29, 2013, Kyoko Inoue, the founder of Diana, became the inaugural champion by defeating Jaime D during the main event of Diana's second anniversary show. On November 20, 2021, Inoue who was in her fourth reign vacated the championship after sustaining an injury. On January 23, 2022, Nagisa Nozaki defeated a former titleholder Ayako Sato to win the vacant championship.
Reigns
As of April 18, 2026, there have been a total of 21 reigns shared between 14 different champions and one vacancy. Kyoko Inoue was the inaugural champion. She also holds the record for most reigns at four. Inoue the oldest champion at 51 years old, while Haruka Umesaki is the youngest at 22. Inoue's third reign is the longest at 511 days, while Asuka's reign is the shortest at 42 days. The current champion is Debbie Keitel who defeated Nanami Hatano on January 24, 2026, in Kawasaki, Kanagawa to win the vacant title.
| 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 | Reign statistics | Notes | Ref. | ||||
|---|---|---|---|---|---|---|---|---|---|
| Date | Event | Location | Reign | Days | Defenses | ||||
| 1 | Kyoko Inoue | April 29, 2013 | Diana 2nd Anniversary ~ Danger Zone | Kawasaki, Kanagawa, Japan | 1 | 244 | 3 | Defeated Jaime D to become the inaugural champion. | |
| 2 | Mask de Sun | December 29, 2013 | Diana | Kawasaki, Kanagawa, Japan | 1 | 98 | 0 | ||
| 3 | Manami Toyota | April 6, 2014 | Diana | Kawasaki, Kanagawa, Japan | 1 | 261 | 1 | ||
| 4 | Kaoru Ito | December 23, 2014 | Kawasaki Legend | Kawasaki, Kanagawa, Japan | 1 | 267 | 2 | ||
| 5 | Kyoko Inoue | September 16, 2015 | Diana | Tokyo, Japan | 2 | 424 | 0 | ||
| 6 | Kaoru Ito | November 13, 2016 | Diana | Tokyo, Japan | 2 | 105 | 1 | ||
| 7 | Kyoko Inoue | February 26, 2017 | Diana | Tokyo, Japan | 3 | 511 | 1 | ||
| 8 | Sareee | July 22, 2018 | River's Edge | Kawasaki, Kanagawa, Japan | 1 | 151 | 0 | ||
| 9 | Aja Kong | December 20, 2018 | Diana | Tokyo, Japan | 1 | 143 | 1 | ||
| 10 | Sareee | May 12, 2019 | Diana 8th Anniversary | Tokyo, Japan | 2 | 237 | 1 | ||
| 11 | Ayako Sato | January 4, 2020 | Diana | Yokohama, Japan | 1 | 239 | 0 | ||
| 12 | Asuka | August 30, 2020 | Diana | Tokyo, Japan | 1 | 42 | 0 | ||
| 13 | Ayako Sato | October 11, 2020 | Diana | Tokyo, Japan | 2 | 189 | 1 | ||
| 14 | Kyoko Inoue | April 18, 2021 | Diana 10th Anniversary | Kawasaki, Kanagawa, Japan | 4 | 216 | 1 | ||
| — | Vacated | November 20, 2021 | — | — | — | — | — | Kyoko Inoue vacated the championship after sustained an injury. | |
| 15 | Nagisa Nozaki | January 23, 2022 | Diana | Kawasaki, Kanagawa, Japan | 1 | 96 | 1 | Defeated Ayako Sato to win the vacant championship. | |
| 16 | Ayako Sato | April 29, 2022 | Korakuen Hall Vol. 1 | Tokyo, Japan | 3 | 365 | 3 | ||
| 17 | Haruka Umesaki | April 29, 2023 | Diana | Tokyo, Japan | 1 | 474 | 5 | ||
| 18 | Maika Ozaki | August 15, 2024 | Diana | Kawasaki, Japan | 1 | 87 | 2 | ||
| 19 | Ayame Sasamura | November 10, 2024 | Diana | Kawasaki, Japan | 1 | 70 | 2 | ||
| 20 | Hiragi Kurumi | January 19, 2025 | Diana | Tokyo, Japan | 1 | 49 | 1 | ||
| 21 | Risa Sera | March 9, 2025 | Diana | Kawasaki, Japan | 1 | 153 | 2 | ||
| 22 | Haruka Umesaki | August 9, 2025 | Diana | Kawasaki, Japan | 2 | 127 | 3 | ||
| — | Vacated | December 14, 2025 | — | — | — | — | — | Haruka Umesaki vacated the championship after defeating Debbie Keitel. | |
| 23 | Debbie Keitel | January 24, 2026 | Diana | Kawasaki, Japan | 1 | 84+ | 2 | Defeated Nanami Hatano to win the vacant title. |
Combined reigns
As of April 18, 2026.
| † | Indicates the current champion |
| Rank | Wrestler | No. of reigns | Combined defenses | Combined days |
|---|---|---|---|---|
| 1 | Kyoko Inoue | 4 | 5 | 1,395 |
| 2 | Ayako Sato | 3 | 4 | 794 |
| 3 | Haruka Umesaki | 2 | 8 | 601 |
| 4 | Sareee | 2 | 1 | 388 |
| 5 | Kaoru Ito | 2 | 3 | 372 |
| 6 | Manami Toyota | 1 | 1 | 261 |
| 7 | Risa Sera | 1 | 2 | 153 |
| 8 | Aja Kong | 1 | 1 | 143 |
| 9 | Mask de Sun | 1 | 0 | 98 |
| 10 | Nagisa Nozaki | 1 | 1 | 96 |
| 11 | Maika Ozaki | 1 | 2 | 87 |
| 12 | Ayame Sasamura | 1 | 2 | 70 |
| 13 | Debbie Keitel † | 1 | 2 | 84+ |
| 14 | Hiragi Kurumi | 1 | 1 | 49 |
| 15 | Asuka | 1 | 0 | 42 |