Yokozuna Asashoryu hurt his right arm in a loss to rank-and-filer Wakanosato on the second day of the Summer Grand Sumo Tournament on Monday, raising doubts about whether he will be able to continue at the 15-day meet at Tokyo's Ryogoku Kokugikan.

News photoYokozuna Asashoryu is forced out of the ring by Wakanosato on Monday, the second day of the Summer Grand Sumo Tournament in Tokyo.

Asashoryu took control after the faceoff in the day's final bout, pushing his No. 2 maegashira opponent to the edge, but Wakanosato turned the tables at the last second to send the Mongolian grand champion crashing out.