Canada scored twice in the first half to beat Britain 2-0 yesterday and set up a clash with the United States in the semifinals of the women’s Olympic football tournament.

The British had not conceded a goal in three group stage games coming into the quarterfinals, but were undone by defensive mistakes at the City of Coventry Stadium.

Jonelle Filigno scored Canada’s opener after 16 minutes when she curled a half volley into the top corner after being left unmarked at a corner.

Captain Christine Sinclair doubled the Canadian lead in the 27th with a well struck free kick.

Hopes had been high for the British after they beat Brazil in their final group stage game on Wednesday and the match drew a near capacity 29,000 crowd.

Canada will play the United States on Monday at Old Trafford, after the Americans beat New Zealand 2-0 earlier yestrday.