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World Woman Pro-Wrestling Diana World Championship
from Wikipedia
World Woman Pro-Wrestling Diana World Championship
Ayako Sato with the current title design
Ayako Sato with the title belt in August 2019
Details
PromotionWorld Woman Pro-Wrestling Diana
Date establishedApril 29, 2013[1]
Current championHaruka Umesaki
Date wonAugust 9, 2025
Statistics
First championKyoko Inoue[1]
Most reignsKyoko Inoue
(4 reigns)
Longest reignKyoko Inoue
(3rd reign, 511 days)
Shortest reignAsuka
(42 days)
Oldest championKyoko Inoue
(51 years, 361 days)
Youngest championHaruka Umesaki
(22 years, 81 days)
Heaviest championKaoru Ito and Kyoko Inoue
(238 lbs)
Lightest championHaruka Umesaki
(119 lbs)

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.[2] 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 19 reigns and one vacancy shared between 12 different champions. The current title holder is Haruka Umesaki who is in her second reign.

Title history

[edit]

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.[1] On November 20, 2021, Inoue who was in her fourth reign vacated the championship after sustaining an injury.[3] On January 23, 2022, Nagisa Nozaki defeated a former titleholder Ayako Sato to win the vacant championship.[4]

Reigns

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As of November 10, 2025, 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.

Haruka Umesaki is the current champion in her second reign. She won the title by defeating Risa Sera on August 9, 2025, in Kawasaki, Japan.

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 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[5] Defeated Jaime D to become the inaugural champion. [1][6]
2 Mask de Sun December 29, 2013 Diana Kawasaki, Kanagawa, Japan 1 98 0[7] [5]
3 Manami Toyota April 6, 2014 Diana Kawasaki, Kanagawa, Japan 1 261 1[8] [7]
4 Kaoru Ito December 23, 2014 Kawasaki Legend Kawasaki, Kanagawa, Japan 1 267 2[9] [8]
5 Kyoko Inoue September 16, 2015 Diana Tokyo, Japan 2 424 0[10] [9]
6 Kaoru Ito November 13, 2016 Diana Tokyo, Japan 2 105 1[11] [10]
7 Kyoko Inoue February 26, 2017 Diana Tokyo, Japan 3 511 1[12] [11]
8 Sareee July 22, 2018 River's Edge Kawasaki, Kanagawa, Japan 1 151 0[13] [12]
9 Aja Kong December 20, 2018 Diana Tokyo, Japan 1 143 1[14] [13]
10 Sareee May 12, 2019 Diana 8th Anniversary Tokyo, Japan 2 237 1[15] [16]
11 Ayako Sato January 4, 2020 Diana Yokohama, Japan 1 239 0[17] [18]
12 Asuka August 30, 2020 Diana Tokyo, Japan 1 42 0[19] [20]
13 Ayako Sato October 11, 2020 Diana Tokyo, Japan 2 189 1[21] [19]
14 Kyoko Inoue April 18, 2021 Diana 10th Anniversary Kawasaki, Kanagawa, Japan 4 216 1[22] [21][23]
Vacated November 20, 2021 Kyoko Inoue vacated the championship after sustained an injury. [3]
15 Nagisa Nozaki January 23, 2022 Diana Kawasaki, Kanagawa, Japan 1 96 1[24] Defeated Ayako Sato to win the vacant championship. [4]
16 Ayako Sato April 29, 2022 Korakuen Hall Vol. 1 Tokyo, Japan 3 365 3[25] [26]
17 Haruka Umesaki April 29, 2023 Diana Tokyo, Japan 1 474 5[27] [28]
18 Maika Ozaki August 15, 2024 Diana Kawasaki, Japan 1 87 2 [27]
19 Ayame Sasamura November 10, 2024 Diana Kawasaki, Japan 1 70 2 [29]
20 Hiragi Kurumi January 19, 2025 Diana Tokyo, Japan 1 49 1 [30]
21 Risa Sera March 9, 2025 Diana Kawasaki, Japan 1 153 2 [31]
22 Haruka Umesaki August 9, 2025 Diana Kawasaki, Japan 2 93+ 2 [32]

Combined reigns

[edit]
Two-time and current champion, Haruka Umesaki.

As of November 10, 2025.

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 7 567+
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 Hiragi Kurumi 1 1 49
14 Asuka 1 0 42
[edit]

References

[edit]
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