Skip Brad Jacobs and Team Canada suffered a surprise loss on the first day of curling competition in Sochi, losing 5-4 to Switzerland on Monday
Canada's second draw started off slow, with four straight blank ends. But the Swiss, skipped by Sven Michel, stole three in the fifth to take control.
Michel missed a crucial shot in the sixth, allowing Jacobs to score two in response.
But the teams swapped singles in the following ends, leaving Canada with a 1-1 record.
Earlier Monday, the Jacobs rink opened the competition with a win, 11-8 over Germany.
In other results from session 2 of the round robin, Sweden beat Great Britain 8-4, Norway defeated the U.S. 7-4 and Denmark topped Russia 10-9.
Canada's next test comes on Tuesday with a draw against the undefeated Swedes.