Grand champion Asashoryu breezed past Wakanosato on Wednesday to remain perfect at 4-0 on the fourth day at the New Year Grand Sumo Tournament.

News photoTakanonami tosses Asasekiryu to the ground during the fourth day of the New Year Grand Sumo Tournament at Tokyo's Ryogoku Kokugikan.

Mongolian Asashoryu came bursting out of the blocks and gave Wakanosato little chance of posting another upset. Komusubi Wakanosato defeated Tochiazuma on the opening day of the 15-day tournament but was no match for the determined yokozuna in Wednesday's finale at Ryogoku Kokugikan.