Bulgarian giant-killer Kotooshu held onto his share of the lead after mowing down eastern European rival Kokkai as yokozuna Asashoryu got his campaign for a fifth straight title back on track at the Nagoya Grand Sumo Tournament on Thursday.

News photoNo. 11 Maegashira Takamisakari throws down third-ranked maegashira Futeno to improve to 9-3 Thursday at the Nagoya Grand Sumo Tournament.

Komusubi Kotooshu, who shocked Asashoryu and has also defeated two ozeki at this tournament, registered double-digit wins to lead the 15-day meet at 10-2 with Asashoryu after a clinical display at Aichi Prefectural Gymnasium.

Former sekiwake Wakanosato, however, dropped out of the leading trio after a comprehensive defeat to local favorite Kotomitsuki (5-7) and shared second with ozeki Kaio and popular maegashira Takamisakari at 9-3.