[1] The final was cancelled after torrential rain flooded the pitch: the Netherlands and Sweden were declared joint winners of the Algarve Cup.

[2] The twelve invited teams were split into three groups to play a round-robin tournament.

In the case of two teams being tied on the same number of points in a group, their head-to-head result determine the higher place.

The groups were announced on 6 December 2017, and re-organised on 18 December,[4] due to South Korea being drawn against Australia in the Asian Cup finals the following month.

For the group stage of this tournament, where two or more teams in a group tied on an equal number of points, the finishing positions were determined by the following tie-breaking criteria in the following order: The ranking of the 1st, 2nd, 3rd, and 4th placed teams in each group to determine the placement matches: The final was cancelled after torrential rain flooded the pitch: the Netherlands and Sweden were declared joint winners of the Algarve Cup.