The winner's prize is ¥10,000,000. The Chinese Ahan Tongshan Cup has the same sponsor and the respective winners play each other in the Japan-China Agon Cup. Time control is 1 hour each for the preliminaries, 2 hours each for the main tournament, and 1.5 hours each for the final.
This is a pro-am event, and 20 amateurs can participate in the preliminary (16 in the 3rd edition and 12 in the first two editions). In 2011, Korean amateur Ha Sungbong advanced to the quarterfinal. Soon after, the Nihon Kiin began counting wins against amateurs for its professional rank promotion purposes.
See also: Amateur versus Professional