Germany and the United States both lead in the World Junior Curling Championships, with Russia looking strong in the women's event ©Getty Images

Germany and the United States' men's teams won two from two on the opening day of the World Junior Curling Championships in Krasnoyarsk in Russia at the Crystal Ice Arena.

The United States had a great first day with two wins in the men’s competition including a 5-4 shock defeat of regional rivals Canada.

In their evening match, the U.S. made Norway pay for their mistakes winning 8-3 and going joint top of the group with Germany who won 7-5 against Norway and 7-2 against New Zealand.

Russia’s men had a mixed day after losing 8-7 against New Zealand but won against Scotland who have yet to win a match after losing their opener against Italy.

Canada did not have the perfect first day losing their opening men's and women’s matches but came back well in their second match as their men’s team soundly defeated Sweden 8-3, with the match ending after six ends having taken five points from the first two ends.

Elsewhere, Switzerland and Sweden both sit on one win each.

The Russian women's team that won last year's Championships started well with a 10-4 win over Hungary ©Getty Images
The Russian women's team that won last year's Championships started well with a 10-4 win over Hungary ©Getty Images

In the only women’s session of the day, the hosts had the most convincing victory, defeating Hungary 10-4.

The Asian teams would also prove victorious after South Korea won 9-3 against Latvia and Japan defeated a strong Canadian team in the final end 8-7.

Denmark won their match against Norway in a close 8-7 finish while Switzerland won a high-scoring match against Sweden 10-9.