At the end of the group stage, a comparison was made between the third-placed teams of each group. The two best third-placed teams advanced to the quarter-finals.
Argentina (best third place) and Peru (second best third place) advanced to the quarter-finals.
Knockout Stage
United States and Belgium finished level on points, goal difference, and had the same position within their groups. Normally a play-off would be played but since both teams would meet in the quarter finals regardless of who won there was no need for a play-off