Mongolia's Kyokushuzan extended his winning streak to eight bouts Sunday, overpowering Roho to stay ahead of his competitors at the Autumn Grand Sumo Tournament.

News photoKyokushuzan pushes fellow-maegashira Roho out of the ring to stay undefeated on Sunday during eighth-day action of the Autumn Grand Tournament at Tokyo's Ryogoku Kokugikan.

After eight days of the 15-day tournament, the unheralded Kyokushuzan, a tenth-ranked maegashira, had a one-win lead over Dejima. Six others, including grand champion Asashoryu and ozeki Kaio, trailed at 6-2.