Grand Champion Chiyonoyama was defeated by Matsunobori on the 12th day of the current Summer Grand Sumo Tournament Thursday afternoon at Kokugikan Arena, Tokyo. The pre-tourney favorite thus lost five times.
    Grand Champion Tochinishiki, on the other hand won over Wakanohana to advance a step toward the season's title with only one defeat against 11 wins.

    Results of the other main bouts:
Tamanoumi over Dewanishiki
Hajimayama over Kitanonada
Odachi over Futatsuryu
Annenyama over Tsurugamine
Kotogahama over Wakamaeda
Tokitsuyama over Wakanoumi
Shinobuyama over Wakabayama
Ouchiyama over Mitsuneyama
Kagamisato over Asashio