TOKYO (UPI) - Yokozuna (grand champion) Wakanohana Monday suffered his second straight defeat when he was upset by sekiwake Dewanishiki on the second day of the year's first 15-day sumo tournament.
    Dewanishiki used all of his 310 pounds to good advantage by checking Wakanohana's spirited push and then lifted the yokozuna out of the ring.
    It was the first time in Wakanohana's career that he had lost two straight bouts on the first two days of any tournament.
    Veteran komusubi Tamanoumi pulled off the day's other major upset by defeating ozeki (champion) Wakahaguro.
    Tamanoumi, although handicapped by a bad left knee, grasped Wakahaguro's neck, then pulled down with both hands and sent Wakahaguro rolling on the sand.
    Yokozuna Tochinishiki won his second straight bout as he slapped hard-charging, fifth-ranking maegashira Wakamaeda with his right hand and pushed him out of the ring.
    Yokozuna (Tarzan) Asashio, who had stayed out of the past three tournaments because of poor physical condition, demonstrated giant strength by hurling first-ranking maegashira Tochihikari onto the sand with one push.