Tenryu Project International Junior Heavyweight Championship

The Tenryu Project International Junior Heavyweight Championship (Japanese: 天龍プロジェクト認定インターナショナル・ジュニアヘビー級王座, Hepburn: Tenryū Purojekuto Nintei Intānashonaru Junia Hebī-kyū Ōza) is a professional wrestling championship contested for in the Japanese professional wrestling promotion Tenryu Project. The title was established in 1995 in Wrestle Association R (WAR). In the revived Tenryu Project, the title is also referred to as the IJ Singles Championship (IJシングル王座, IJ Shinguru Ōza).^[1]

Tenryu Project International Junior Heavyweight Championship
Details
Promotion	Wrestle Association R (1995–2000) Dragon Gate (2006–2007) Tenryu Project (2010–2015; 2021-present)
Date established	March 26, 1995
Current champion	Koji Iwamoto
Date won	May 21, 2025
Other names
WAR International Junior Heavyweight Championship (1995–2010) Tenryu Project International Junior Heavyweight Championship (2010–present) IJ Singles Championship (2021–present)
Statistics First champion Gedo Most reigns Masaaki Mochizuki (4 reigns) Longest reign Masaaki Mochizuki (2,705 days) Shortest reign Masaaki Mochizuki (<1 day)

Title history

Inaugural championship tournament

On March 26, 1995, an eight-man single elimination tournament was held on the second day of the Wrestle Association R (WAR) event Battle Angel. The tournament saw Gedo defeat Lionheart in the finals to become the inaugural champion.^[2]

First round

Semifinals

Finals

Gedo

Pin

Yuji Yasuraoka

07:21

Gedo

Pin

1-2-3 Kid

7:08

1-2-3 Kid

Pin

Negro Casas

04:40

Gedo

Pin

Lionheart

19:31

Lionheart

Pin

Masao Orihara

08:52

Lionheart

Pin

Último Dragón

11:19

Último Dragón

Pin

Ultimate Dragon

09:58

The title was part of New Japan Pro-Wrestling's short-lived J-Crown Championship in 1996 and 1997. In late 2006, the title briefly moved to Dragon Gate where Masaaki Mochizuki beat Gedo in a decision match on January 26, 2007 to determine the final champion, and then retired the title.^[3]

Revivals

The title was revived in April 2010, for Genichiro Tenryu's Tenryu Project promotion until being again retired in 2013 after the closure of the promotion. The championship was once again reactivated after Tenryu Project reopened in 2020.^[4] On May 25 and June 6, an eight-man single elimination tournament was held to crown a new champion. The tournament saw Hub defeat Kengo in the finals.^[5]

First round May 25

Semifinals June 12

Finals June 12

Toru

12:47[6]

Hub

Pin

Hub

Sub

Kenichiro Arai

10:54[7]

Kenichiro Arai

Pin

Kikutaro

12:47[6]

Hub

Pin

Kengo

19:59[7]

Tsubasa

Pin

Mazada

13:33[6]

Tsubasa

16:19[7]

Kengo

Pin

"brother" Yasshi

19:59[6]

Kengo

Pin

Reigns

As of August 17, 2025, there have been a total of 26 reigns shared between 19 different champions and two vacancies. The current champion is Yusuke Kodama 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
<1	Reign lasted less than a day

No.	Champion	Championship change			Reign statistics			Notes	Ref.
		Date	Event	Location	Reign	Days	Defenses
	Wrestle Association R (WAR)
1	Gedo	March 26, 1995	Battle Angel	Tokyo, Japan	1	70	2	Defeated Lionheart in a tournament final to become the inaugural champion.
2	Lionheart	June 4, 1995	House show	Tokyo, Japan	1	54	1
3	Último Dragón	July 28, 1995	House show	Tokyo, Japan	1	32	0
4	Gedo	August 29, 1995	House show	Shizuoka, Japan	2	37	0
5	Último Dragón	October 5, 1995	House show	Ōmiya, Japan	2	305	5
6	The Great Sasuke	August 5, 1996	G1 Climax 1996	Tokyo, Japan	1	67	1	The championship becomes one of eight championships comprising New Japan Pro Wrestling's J-Crown.
7	Último Dragón	October 11, 1996	Osaka Crush Night	Osaka, Japan	3	85	5	This match was for the J-Crown.
8	Jushin Thunder Liger	January 4, 1997	Wrestling World 1997	Tokyo, Japan	1	153	4	This match was for the J-Crown.
9	Yuji Yasuraoka	June 6, 1997	WAR	Tokyo, Japan	1	588	6	Only the WAR championship was on the line. Liger retained the other seven titles.
10	Masao Orihara	January 15, 1999	House show	Tokyo, Japan	1	45	0
11	Masaaki Mochizuki	March 1, 1999	House show	Tokyo, Japan	1	2,705	2	WAR ceased running cards in July 2000, but Mochizuki kept the title, though did not defend it regularly.
12	Pentagón Black	July 27, 2006	Final: Reborn to Future	Tokyo, Japan	1	119	0
	Dragon Gate
13	Masaaki Mochizuki	November 23, 2006	Crown Gate: Osaka Special	Osaka, Japan	2	<1	0		[8]
—	Vacated	November 23, 2006	—	—	—	—	—	Mochizuki immediately vacated the title.
14	Masaaki Mochizuki	January 26, 2007	2007 Primal Gate	Tokyo, Japan	3	<1	0	Defeated Gedo to win the vacant title and to determine the then final champion.	[3]
—	Deactivated	January 26, 2007	—	—	—	—	—	Mochizuki immediately retired the title.
	Tenryu Project
15	Masaaki Mochizuki	April 19, 2010	Tenryu Project	Osaka, Japan	4	51	0	Defeated Susumu Yokosuka and Naoki Tanizaki in a three-way match.
16	Tiger Shark	June 9, 2010	Next Revolution	Tokyo, Japan	1	112	4
17	Hiroki	September 29, 2010	Never So	Tokyo, Japan	1	76	1
18	Ryuji Hijikata	December 14, 2010	Tenryu Project	Tokyo, Japan	1	591	1
19	Takaku Fuke	July 27, 2012	R-2 Real Tenryu Project 8	Tokyo, Japan	1	155	0
20	Masao Orihara	December 29, 2012	Genichiro Tenryu Return Match: Revolution	Tokyo, Japan	2	276	2		[9]
—	Vacated	October 1, 2013	—	—	—	—	—	Title vacated when Orihara left the promotion after a defense against Manjimaru.
—	Deactivated	December 15, 2015	—	—	—	—	—	Title deactivated when Tenryu Project closed.
21	Hub	June 12, 2021	Survive the Revolution Vol. 4	Tokyo, Japan	1	62	2	Defeated Kengo in a decision match final of a tournament to win the reactivated title.	[5]
22	Kengo	August 13, 2021	Survive the Revolution Vol. 8	Tokyo, Japan	1	183	3		[10]
23	Toru	February 12, 2022	Osaka Crush Night 2022 Part 2	Osaka, Japan	1	123	2		[11]
24	Hikaru Sato	June 15, 2022	Wrestle And Romance Vol. 3	Tokyo, Japan	1	463	6		[12]
25	Yuya Susumu	September 21, 2023	Still Revolution Vol. 6	Tokyo, Japan	1	336	3		[13]
26	Yusuke Kodama	August 22, 2024	Light My Fire Vol. 5	Tokyo, Japan	1	272	3		[14]
27	Koji Iwamoto	May 21, 2025	Live For Today Vol. 2	Tokyo, Japan	1	88+	1		[15]

Combined reigns

Current champion, Koji Iwamoto

As of August 17, 2025.

Rank	Wrestler	No. of Reigns	Combined defenses	Combined Days
1	Masaaki Mochizuki	4	2	2,756
2	Ryuji Hijikata	1	1	591
3	Yuji Yasuraoka	1	6	588
4	Hikaru Sato	1	6	463
5	Último Dragón	3	10	422
6	Yuya Susumu	1	3	336
7	Masao Orihara	2	2	321
8	Yusuke Kodama	1	3	272
9	Kengo	1	3	183
10	Takaku Fuke	1	0	155
11	Jushin Thunder Liger	1	4	153
12	Toru	1	2	123
13	Pentagón Black	1	0	119
14	Tiger Shark	1	4	112
15	Gedo	2	2	107
16	Hiroki	1	1	76
17	The Great Sasuke	1	1	67
18	Hub	1	2	62
19	Koji Iwamoto †	1	1	88+
20	Lionheart	1	1	54