Russia took a six-point lead over Canada after five events in the inaugural team competition after winning the pairs free skate.
Kirsten Moore-Towers of St. Catharines, Ont., and Toronto's Dylan Moscovitch earned nine points for Canada with a second-place finish in the pairs.
But Ksenia Stolbova and Fedor Klimov finished first, giving Russia 47 out of a possible 50 points.
Canada has 41 points and the United States 34 heading into the final three events.
The men's, women's and ice dance free skates go tomorrow.
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