TOKYO, Jan. 18 - With the defeat of two out of the three "yokozuna" or grand champions and all three "ozeki" wrestlers, chubby "yokozuna" Terukuni, winner of the previous tourney, is now the only undefeated high ranking grappler in the current spring main professional sumo tournament.
    On the fourth day of competition, January 17, "yokozuna" Azumafuji, one of the most promising contenders for the individual championship, went down in defeat before fighting "sekiwake" Mitsuneyama.
    Another grand champion Haguroyama was beaten by Wakasegawa on the third day, January 16.