SOCHI, Russia -- Canada's Jennifer Jones improved to 6-and-0 in the round robin portion at the Olympic women's curling competition on Saturday, with an 8-6 victory over Japan.

Canada opened with two in the first end, and Japan tied it with two in the second. Jones took the lead with two in the third end, before Japan (2-4) tied it again in the fourth.

Ayumi Ogawara's rink took a 5-4 lead scoring one in the fifth, and after failing to score in the sixth end, Canada took charge with two in the seventh and one more in the eighth.

Japan scored one more in the ninth end, and Canada added one more in the tenth.