SWA Undisputed World Women's Championship

On this page, you find the full Title History for the SWA Undisputed World Women's Championship, with all Championship Info, Statistics, the Belt Design changes through the years, and the full list of Title Reigns, along with dates, events, and reign durations.

The SWA Undisputed World Women's Championship was a secondary title contested in World Wonder Ring Stardom, by women wrestlers.

The championship was first established on May 21, 2016, and the inaugural champion was Io Shirai.

The title was created on 2016 during Stardom's three-day European tour, serving as the flagship title for the newly formed international alliance known as the Stardom World Association (SWA).

Promotions in the alliance include Stardom, British Empire Wrestling (BEW), the French Association Biterroise de Catch (ABC), the Mexican Women Wrestling Stars (WWS) and the Spanish Revolution Championship Wrestling (RCW).

The SWA Undisputed World Women's Championship was retired on March 1, 2025, with the final champion being Mayu Iwatani.

SWA Undisputed World Women's Championship: Title History

SWA Undisputed World Women's Championship: Title Reigns

N.	Image	Champion	Reign
	Deactivated March 1, 2025 The championship was retired from Stardom website in april 2025.
		Vacant November 3, 2022 Hiroshima, Japan \| Hiroshima Goddess Festival Mayu Iwatani voluntarily relinquished the title to focus on the IWGP Women's Championship.	849 days
9		Mayu Iwatani 1 May 5, 2022 Fukuoka, Japan \| Golden Week Fight Tour	182 days
8		Thekla January 29, 2022 Nagoya, Japan \| Nagoya Supreme Fight Defeated Mina Shirakawa to win the vacant championship.	96 days
		Vacant January 8, 2022 Tokyo, Japan \| Stardom in Korakuen Hall Syuri voluntarily relinquished the title due to being a triple champion and to focus on the World of Stardom Championship and the Goddesses of Stardom Championship.	21 days
7		Syuri 1 November 15, 2020 Sendai, Miyagi, Japan \| Sendai Cinderella	419 days
6		Bea Priestley 1 October 3, 2020 Yokohama, Kanagawa, Japan \| Yokohama Cinderella Defeated Momo Watanabe to win the vacant championship.	43 days
		Vacant September 17, 2020 The championship was vacated since Jamie Hayter was unable to travel to Japan due to COVID-19 restrictions.	16 days
5		Jamie Hayter 1 January 26, 2020 Osaka, Japan \| Stardom 9th Anniversary in Osaka	235 days
4		Utami Hayashishita 1 January 14, 2019 Tokyo, Japan \| Stardom 8th Anniversary Viper also defended her EVE International Championship in this match.	377 days
3		Piper Niven 1 March 28, 2018 Tokyo, Japan \| Stardom Dream Slam in Tokyo This was a title vs. title match, in which Viper also defended the ICW Women's Championship.	292 days
2		Toni Storm 1 July 24, 2016 Osaka, Japan \| Stardom×Stardom 2016: Osaka Manatsu no Saiten	612 days
1		Io Shirai 1 May 21, 2016 Barcelona, Spain \| RCW Presents Stardom Europe Defeated Toni Storm in the finals of a nine-woman tournament to become the inaugural champion.	64 days

SWA Undisputed World Women's Championship: Names & Belt Designs

- SWA Undisputed World Women's ChampionshipMay 21, 2016March 1, 2025

SWA Undisputed World Women's Championship: Statistics

Promotions History
Promotion from to
PromotionSTARDOM May 21, 2016 March 1, 2025

Promotion	from	to
PromotionSTARDOM	May 21, 2016	March 1, 2025

Promotion World Wonder Ring Stardom
TerritoryNational
DivisionSecondary
GenderFemale
Date EstablishedMay 21, 2016
Date RetiredMarch 1, 2025

First ChampionIo Shirai
Final ChampionMayu Iwatani

Most Number of Reigns

Rank	Wrestler	Reigns
	Toni Storm	1
	Syuri	1
	Utami Hayashishita	1
	Piper Niven	1
	Jamie Hayter	1

Most Combined Days

Rank	Wrestler	Days
	Toni Storm	612
	Syuri	419
	Utami Hayashishita	377
	Piper Niven	292
	Jamie Hayter	235

Longest Reigns

Wrestler	Reign	Days
Toni Storm	July 24, 2016 - March 28, 2018	612
Syuri	November 15, 2020 - January 8, 2022	419
Utami Hayashishita	January 14, 2019 - January 26, 2020	377
Piper Niven	March 28, 2018 - January 14, 2019	292
Jamie Hayter	January 26, 2020 - September 17, 2020	235