Japan Rugby League One
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Poster
Established
2003 (22 years old)
First Recorded Event
2015-11-13
Current Season
2025
Sport
RugbyLocation
Japan
Gender
Male
TV Rights
Upcoming
| 14 Mar | Urayasu D-Ro  | - |  Kubota Spear |
| 15 Mar | Yokohama Can  | - |  Black Rams T |
| 15 Mar | Shizuoka Blu  | - |  Saitama Wild |
| 15 Mar | Toyota Verbl  | - |  Toshiba Brav |
| 15 Mar | Kobelco Kobe  | - |  Mie Honda He |
| 16 Mar | Mitsubishi S  | - |  Tokyo Sungol |
| 22 Mar | Toshiba Brav | - | Saitama Wild |
| 22 Mar | Kubota Spear | - | Yokohama Can |
| 22 Mar | Shizuoka Blu | - | Black Rams T |
| 22 Mar | Toyota Verbl | - | Mitsubishi S |
Results | |||
| 02 Mar | Tokyo Sungol | 22 - 33 | Yokohama Can |
| 02 Mar | Shizuoka Blu | 44 - 14 | Mie Honda He |
| 02 Mar | Saitama Wild | 46 - 32 | Kobelco Kobe |
| 01 Mar | Mitsubishi S | 7 - 22 | Black Rams T |
| 01 Mar | Toshiba Brav | 31 - 27 | Kubota Spear |
| 01 Mar | Urayasu D-Ro | 31 - 36 | Toyota Verbl |
| 23 Feb | Mie Honda He | 20 - 17 | Yokohama Can |
| 23 Feb | Tokyo Sungol | 40 - 35 | Urayasu D-Ro |
| 22 Feb | Saitama Wild | 39 - 10 | Mitsubishi S |
| 22 Feb | Black Rams T | 44 - 45 | Toshiba Brav |
Description
Japan Rugby League One (formerly the Top League) is a rugby union competition in Japan. It is the highest level of professional rugby competition in the country. The Japan Rugby Football Union created the competition in 2003, by absorbing the Japan Company Rugby Football Championship, to drive up the overall standard and popularity of the sport and improve the results of the Japan national rugby union team. The chief architect of the league was Hiroaki Shukuzawa who strongly felt the urgency of improving Japanese domestic company rugby to a professional level which would allow Japan to compete more convincingly at Rugby World Cups.
Until 2022, it was an industrial league, where many players are employees of their company and the teams are all owned by major companies. While the competition is known for paying high salaries, only world-class foreign players and a small number of Japanese players play fully professionally, which means most of the players still play in an amateur capacity. The delayed 2021 season was the final season of the Top League, with the JRFU adopting a new fully-professional three-tier system from 2022. More details about the new structure was announced to the media in January 2021. Featuring 25 teams, the 12 top-tier clubs would be split into two conferences, with seven teams competing in division two and six in division three. The new competition was formally announced as Japan Rugby League One in July 2021.
The first season in 2003–04 featured 12 teams. The league was expanded to 14 teams in 2006–07 and 16 teams in 2013–14. The Top League is played during the off-season of the Super Rugby, Therefore, many full-time foreign professionals from Southern Hemisphere countries have played in the Top League, notably Tony Brown, George Gregan and Dan Carter. In the 2010s, salaries in the Top League have risen to become some of the highest in the rugby world; in 2012, South Africa's Jaque Fourie, now with Kobelco Steelers, was widely reported to be the world's highest-paid player.
Seasons
 2025 | 2024 | 2023 | 2022 | ||||
Teams
  Black Rams Toky  |  Kobelco Kobe St |  Kubota Spears F |  Mie Honda Heat | ||||
 Mitsubishi Saga |  Saitama Wild Kn |  Shizuoka Blue R |  Tokyo Sungoliat | ||||
 Toshiba Brave L |  Toyota Verblitz |  Urayasu D-Rocks |  Yokohama Canon | ||||
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