Yielding more than 50 pounds weight advantage Haridashi Ozeki (second rank) Wakanohana, 223 pounds, overpowered Sekiwake (third rank) Asashio, 280 pounds, Saturday to preserve his unblemished record in the New Year's Grand Sumo Tournament at Tokyo's Kuramae Kokugikan.

Results of other main events on the 15-day tourney's seventh day:
Dewaminato beat Kitanonada
Kotogahama beat Wakabayama
Annenyama beat Mitsuneyama
Futatsuryu beat Shinobuyama
Wakasegawa beat Tokitsuyama
Matsunobori beat Naruyama
Ouchiyama beat Tochihikari
Yoshibayama beat Hajimayama
Kagamisato beat Dewanishiki
Tochinishiki beat Tamanoumi