Beyond the Sea Single Championship

The Beyond the Sea Single Championship (BEYOND THE SEA SINGLE 王座 or BEYOND THE SEAシングル王座^[4], Biyondo za shī shinguru ōza) is a women's professional wrestling championship owned by the Seadlinnng promotion. The title, which is situated at the top of Seadlinnng's championship hierarchy, was introduced on October 3, 2018, and the inaugural champion was crowned on November 1, 2018, when Nanae Takahashi defeated Arisa Nakajima in the finals of an eight-woman tournament.^[1] The bottom part of the belt is blue as it resembles the ocean, while the upper part of the belt is red, which resembles the sun.^[5] The title was vacated once as a result of former champion Yoshiko taking time off to rehabilitate nagging injuries.^[6]

Beyond the Sea Single Championship
Details
Promotion	Seadlinnng
Date established	November 1, 2018[1]
Current champion	Hiroyo Matsumoto
Date won	August 22, 2025
Statistics First champion Nanae Takahashi[1] Most reigns Arisa Nakajima (3 reigns) Longest reign Sareee (511 days) Shortest reign Makoto (66 days) Oldest champion Nanae Takahashi (39 years, 313 days)[1] Youngest champion Asuka (22 years, 141 days) Heaviest champion Takumi Iroha (159 lb (72 kg))[2] Lightest champion Arisa Nakajima (132 lb (60 kg))[3]

Like most professional wrestling championships, the title is won as a result of a scripted match. There have been twelve reigns shared among nine different wrestlers. The current champion is Hiroyo Matsumoto who is in her second reign.

Title history

Inaugural champion Nanae Takahashi

On November 1, 2018, Nanae Takahashi, the founder of Seadlinnng, defeated Arisa Nakajima in the finals of an eight-woman single-elimination tournament to become the inaugural champion.^[1] On March 9, 2021, the current champion Yoshiko vacated the title to recover from injuries.^[7] On March 17, Asuka defeated Rina Yamashita to win the vacant championship.^[8]

On October 6, 2022, the current champion Nakajima vacated the title suffering an injury.^[9] On October 19, Hiroyo Matsumoto defeated Itsuki Aoki in the finals of a ten-woman single-elimination tournament to win the vacant championship.^[10]

Inaugural championship tournament (2018)

Quarterfinals

Semifinals

Final

Ryo Mizunami

13:13[11]

Takumi Iroha

Sub1

Takumi Iroha

15:22[1]

Nanae Takahashi

Pin

Hiroyo Matsumoto

22:20[11]

Nanae Takahashi

Pin

Nanae Takahashi

Pin

Arisa Nakajima

18:02[1]

Hanako Nakamori

Pin

Yoshiko

6:05[11]

Hanako Nakamori

12:12[1]

Arisa Nakajima

Pin

Arisa Nakajima

Pin

Rina Yamashita

21:05[11]

^1 – This was a technical submission.

Reigns

As of August 24, 2025, there have been nine reigns between seven champions and two vacancies. Nanae Takahashi was the inaugural champion. Arisa Nakajima hold the record for most reigns at three times. Sareee's first reign is the longest at 511 days, while Makoto has the shortest reign at 66 days. Takahashi is the oldest champion at 39 years old, while Asuka is the youngest at 22 years old.

Veny is the current champion in her second reign. She won the title by defeating Sareee at Seadlinnng Shin-Kiba Series 2025 Vol. 1 on January 17, 2025, in Tokyo, 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	Nanae Takahashi	November 1, 2018	Go! Beyond!	Tokyo, Japan	1	209	3[12]	Takahashi defeated Arisa Nakajima in the finals of an eight-woman single-elimination tournament to become the inaugural champion.	[1][12]
2	Takumi Iroha	May 29, 2019	Stay Tune	Tokyo, Japan	1	112	1[13]		[12][14]
3	Arisa Nakajima	September 18, 2019	Endless Summer	Tokyo, Japan	1	299	4[15]		[13]
4	Yoshiko	July 13, 2020	Close to You	Tokyo, Japan	1	239	2[16]		[17]
—	Vacated	March 9, 2021	—	—	—	—	—	The championship was vacated after Yoshiko took time off to recover from injuries	[7]
5	Asuka	March 17, 2021	Grow Together!	Tokyo, Japan	1	116	0[18]	Defeated Rina Yamashita to win the vacant championship.	[8][19]
6	Ryo Mizunami	July 11, 2021	Nanae Takahashi 25th Anniversary ~ Arigatou	Tokyo, Japan	1	171	2[20]		[18][21]
7	Arisa Nakajima	December 29, 2021	Seadlinnng 2021 Final Battle	Tokyo, Japan	2	281	3[22]		[20]
—	Vacated	October 6, 2022	—	—	—	—	—	The championship was vacated after Arisa Nakajima suffering a legitimate injury.	[9]
8	Hiroyo Matsumoto	October 19, 2022	October Fist!	Tokyo, Japan	1	70	0	Defeated Itsuki Aoki in the finals of a ten-woman single-elimination tournament to win the vacant championship.	[10]
9	Arisa Nakajima	December 28, 2022	Seadlinnng of the Year 2022!	Tokyo, Japan	3	240	3		[23]
10	Sareee	August 25, 2023	Seadlinnng 8th Anniversary	Tokyo, Japan	1	511	4		[24]
11	Veny	January 17, 2025	Seadlinnng Shin-Kiba Series 2025 Vol. 1	Tokyo, Japan	2	151	2	Veny was previously known as Asuka.	[25]
12	Makoto	June 17, 2025	Seadlinnng Early Summer Games 2025!	Tokyo, Japan	1	66	0		[26]
13	Hiroyo Matsumoto	August 23, 2025	Seadlinnng 10th Anniversary	Tokyo, Japan	2	2+	0		[27]

Combined reigns

Record three-time and longest combined champion Arisa Nakajima

As of August 24, 2025.

†	Indicates the current champion

Rank	Wrestler	No. of reigns	Combined defenses	Combined days
1	Arisa Nakajima	3	10	820
2	Sareee	1	4	511
3	Asuka/Veny	2	2	267
4	Yoshiko	1	2	239
5	Nanae Takahashi	1	3	209
6	Ryo Mizunami	1	2	171
7	Takumi Iroha	1	1	112
8	Hiroyo Matsumoto †	2	0	72+
9	Makoto	1	0	66