# 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).

## 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.
| First round | First round | First round | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals |
| Gedo | Gedo | Pin | | | | | | |
| Yuji Yasuraoka | Yuji Yasuraoka | 07:21 | | | | | | |
| Yuji Yasuraoka | Yuji Yasuraoka | 07:21 | Gedo | Gedo | Pin | | | |
| | | | 1-2-3 Kid | 1-2-3 Kid | 7:08 | | | |
| 1-2-3 Kid | 1-2-3 Kid | Pin | 1-2-3 Kid | 1-2-3 Kid | 7:08 | | | |
| Negro Casas | Negro Casas | 04:40 | | | | | | |
| Negro Casas | Negro Casas | 04:40 | | | | Gedo | Gedo | Pin |
| | | | | | | Lionheart | Lionheart | 19:31 |
| Lionheart | Lionheart | Pin | | | | | | | Lionheart | Lionheart | 19:31 |
| Masao Orihara | Masao Orihara | 08:52 | | | | | | |
| Masao Orihara | Masao Orihara | 08:52 | Lionheart | Lionheart | Pin | | | |
| | | | Último Dragón | Último Dragón | 11:19 | | | |
| Último Dragón | Último Dragón | Pin | Último Dragón | Último Dragón | 11:19 | | | |
| Ultimate Dragon | 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.

### 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. 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.
| First round May 25 | First round May 25 | First round May 25 | Semifinals June 12 | Semifinals June 12 | Semifinals June 12 | Finals June 12 | Finals June 12 | Finals June 12 |
| Toru | Toru | 12:47 | | | | | | |
| Hub | Hub | Pin | | | | | | |
| Hub | Hub | Pin | Hub | Hub | Sub | | | |
| | | | Kenichiro Arai | Kenichiro Arai | 10:54 | | | |
| Kenichiro Arai | Kenichiro Arai | Pin | Kenichiro Arai | Kenichiro Arai | 10:54 | | | |
| Kikutaro | Kikutaro | 12:47 | | | | | | |
| Kikutaro | Kikutaro | 12:47 | | | | Hub | Hub | Pin |
| | | | | | | Kengo | Kengo | 19:59 |
| Tsubasa | Tsubasa | Pin | | | | | | | Kengo | Kengo | 19:59 |
| Mazada | Mazada | 13:33 | | | | | | |
| Mazada | Mazada | 13:33 | Tsubasa | Tsubasa | 16:19 | | | |
| | | | Kengo | Kengo | Pin | | | |
| "brother" Yasshi | "brother" Yasshi | 19:59 | Kengo | Kengo | Pin | | | |
| Kengo | Kengo | Pin | | | | | | |

## Reigns

As of February 22, 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 | Championship change | Championship change | Reign statistics | Reign statistics | Reign statistics | Notes | Ref. |
| No. | Champion | Date | Event | Location | Reign | Days | Defenses | Notes | Ref. |
| | Wrestle Association R (WAR) | Wrestle Association R (WAR) | Wrestle Association R (WAR) | Wrestle Association R (WAR) | Wrestle Association R (WAR) | Wrestle Association R (WAR) | Wrestle Association R (WAR) | Wrestle Association R (WAR) | 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 | Dragon Gate | Dragon Gate | Dragon Gate | Dragon Gate | Dragon Gate | Dragon Gate | Dragon Gate | Dragon Gate |
| 13 | Masaaki Mochizuki | November 23, 2006 | Crown Gate: Osaka Special | Osaka, Japan | 2 | <1 | 0 | | |
| — | 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. | |
| — | Deactivated | January 26, 2007 | — | — | — | — | — | Mochizuki immediately retired the title. | |
| | Tenryu Project | Tenryu Project | Tenryu Project | Tenryu Project | Tenryu Project | Tenryu Project | Tenryu Project | Tenryu Project | 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 | | |
| — | 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. | |
| 22 | Kengo | August 13, 2021 | Survive the Revolution Vol. 8 | Tokyo, Japan | 1 | 183 | 3 | | |
| 23 | Toru | February 12, 2022 | Osaka Crush Night 2022 Part 2 | Osaka, Japan | 1 | 123 | 2 | | |
| 24 | Hikaru Sato | June 15, 2022 | Wrestle And Romance Vol. 3 | Tokyo, Japan | 1 | 463 | 6 | | |
| 25 | Yuya Susumu | September 21, 2023 | Still Revolution Vol. 6 | Tokyo, Japan | 1 | 336 | 3 | | |
| 26 | Yusuke Kodama | August 22, 2024 | Light My Fire Vol. 5 | Tokyo, Japan | 1 | 184+ | 2 | | |

## Combined reigns

As of February 22, 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 | 2 | 184+ |
| 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 | Lionheart | 1 | 1 | 54 |