Unheralded Tamakasuga extended his unbeaten run Saturday to stay one win clear of Mongolian grand champion Asashoryu heading into the second week of the New Year Grand Sumo Tournament.
![News photo](../images/photos2007/ss20070114b1a.jpg)
Asashoryu kept the 11th-ranked maegashira in his sights by tearing down compatriot Ama to improve to 6-1 but the chasing pack was cut to three after defeats for ozeki Chiyotaikai and sekiwake Kotomitsuki.