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The national championship of HEnDA-format English debate for high school teams, held at Chuo University's Tama campus in Tokyo. Schools qualify mainly through their prefectural tournaments and then register online by 11 November 2026.
2026 motion: 'The Japanese government should eliminate all tariffs on imported rice.' Six preliminary rounds, then a final tournament. The winner receives the championship flag, planned MEXT Minister's and US Embassy awards and an international tournament support grant; awards also go to top debaters and best speakers by role. Supported by Benesse, Chuo University, Kyoto University of Foreign Studies and Waseda University.