TOKYO, May 16. - Matches on the third day of the 11 day of the 11 day summer main tournament of the Dai Nippon Sumo Association were rained out today at the ring in the outer garden of the compounds of the Meiji Shrine.
    Two upsets marked the second day competition yesterday when Azumafuji and Shionoumi, both "Ozeki" wrestlers, were beaten by Rikidozan and Hishuzan, respectively.