The teams are seeded in four different rounds based on the ENC's nations ranking. Six top ranked teams are placed directly into main round, while the other twenty teams have to go through qualifier for the six remaining spots. More info about the play mode can be found here.

First qualifier round will start on 17th March, however the matches haven't been announced yet. The list of participating teams is as follows:

Main round
Sweden
Germany
Bulgaria
France
Russia
Finland

Qualification Round 3
Ukraine
Denmark
Netherlands
Austria
Switzerland
Croatia

Qualification Round 2
Greece
Romania
Poland
Slovakia
Norway
Belgium

Qualification Round 1
Spain
Italy
Hungary
United Kingdom
Bosnia and Herzegovina
Latvia
Belarus
Portugal