The Japan Professional Sumo Association will hold a 15-day tourney beginning June 16 at the ring to be specially constructed south of the Koshien stadium, with the Hanshin Electric Railway CO. as the promoter.
    The work on the construction of the special ring, around which 20,000 spectators will be accommodated, is shortly to be commenced.
    The summer Tokyo tourney of the association, the first tourney after the adoption of the 15-day system, will open on May 11 at the Kokugikan, Ryogoku, Tokyo.