Team USA will face Canada on Monday for a chance to qualify for gold at Wembley Stadium on Aug. 9.
USA has had a strong showing so far throughout the tournament. They swept France, Colombia and North Korea in the group stage, and went on to beat New Zealand in the quarterfinal.
Canada comes into the round off a win against the host nation, Great Britain. They haven't exactly breezed through group stage. The highlight was a 3-0 win over South Africa, but they lost 1-2 to Japan to open the tournament and finished the group stage with a tie against Sweden.
Tuesday's game ensures at least one North American team will win a medal in the London 2012 games. USA is the heavy favorite right now as they're coming off a strong showing so far in this tournament, but nothing can be taken for granted at this stage of the competition.
When: 2:45 p.m. ET on Monday, Aug. 6, 2012
Where: Old Trafford; Manchester
Watch: NBC Sports Network, NBC Soccer Channel
Live Stream: NBCOlympics.com Live Extra
Players to Watch
While players like Hope Solo and Alex Morgan were the talk of the team coming into the tournament, it's been the seasoned veteran, Abby Wambach, who's pulled Team USA through the rough patches. She has scored in every game, bringing her national team career total to 142, and so far and hasn't shown any signs of letting up.
It's difficult to pick against USA because of their remarkable performance so far throughout this tournament, but Canada deserves just as much to be in the semifinal.
Team USA will advance to the gold-medal final in a possible rematch against group mate France, or a chance at redemption for the World Cup 2011 loss to Japan.