OSAKA, Mar. 18 – The championship picture of the Spring Grand Sumo Tournament at Osaka Prefectural Gymnasium was further clouded as “Yokozunas” Kagamisato and Chiyonoyama and contenders Ouchiyama and Nayoroiwa all bit the dust Thursday.

Results of the main events of the tourney's 13th day follows:
Tochinishiki beat Kagamisato
Mitsuneyama beat Chiyonoyama
Wakanohana beat Tokitsuyama
Matsunobori beat Ouchiyama
Asashio beat Futatsuryu
Naruyama beat Kuninobori
Dewanishiki beat Shionishiki
Wakabayama beat Shinobuyama
Odachi beat Orochigata.