8 winning teams of the play-off.
8 teams classified 1st to 8th from Barcelona 2018.
Group phase: 4 groups with 4 teams each.
A draw is held using the following system:
- 1st batch: The teams ranked 1st to 4th in Barcelona 2018.
- 2nd batch: The teams ranked 5th to 8th in Barcelona 2018.
- 3rd batch: 8 winning teams of the play-off.
The 4th classified teams will play each other for places 13th to 16th in cross group format.
The 2nd and 3rd teams will play each other to qualify ¼ finals in cross group format.
The first team classified from each group will qualify directly for ¼ finals.