The Japan East Rugby Football Union, known in Japanese as the Kanto Rugby Football Association, supports and organizes rugby across eastern Japan. Its activities span university and adult leagues, clubs, high schools, junior high schools, schools and junior clubs, women’s rugby, sevens, and other competitions. The association publishes news, fixtures, results, standings, and match information, helping players, teams, and fans follow a broad calendar of regional and national events.

For spectators, the website provides ticket information, venue and access details, and guidance on match-day rules. It also offers administrative resources, including application information, referee accreditation updates, and instructions for requesting referee services. Competition coverage ranges from university and workplace leagues to club championships, youth tournaments, women’s events, and national sports festival qualifiers. The association shares updates from regional rugby organizations and highlights participating partners and companies. Through these services, it connects rugby communities, supports competition at multiple levels, and makes practical information available to participants and supporters.