diff --git a/spec/factories/groups.rb b/spec/factories/groups.rb
index 748cb69..839c230 100644
--- a/spec/factories/groups.rb
+++ b/spec/factories/groups.rb
@@ -2,7 +2,15 @@
 
 FactoryBot.define do
   factory :group do
+    transient do
+      match_count { 4 }
+    end
+
     sequence(:number)
     stage
+
+    after(:create) do |group, evaluator|
+      create_list(:group_match, evaluator.match_count, group: group)
+    end
   end
 end
diff --git a/spec/factories/stages.rb b/spec/factories/stages.rb
index 4353af1..d033247 100644
--- a/spec/factories/stages.rb
+++ b/spec/factories/stages.rb
@@ -3,5 +3,14 @@
 FactoryBot.define do
   factory :stage do
     tournament
+    factory :group_stage do
+      level { -1 }
+      transient do
+        group_count { 4 }
+      end
+      after(:create) do |stage, evaluator|
+        stage.groups = create_list(:group, evaluator.group_count)
+      end
+    end
   end
 end
diff --git a/spec/factories/tournaments.rb b/spec/factories/tournaments.rb
index 4b93176..6924332 100644
--- a/spec/factories/tournaments.rb
+++ b/spec/factories/tournaments.rb
@@ -11,6 +11,7 @@ FactoryBot.define do
     after(:create) do |tournament, evaluator|
       tournament.teams = create_list(:team, evaluator.teams_count, tournament: tournament)
     end
+
     factory :stage_tournament do
       transient do
         stage_count { 1 }
@@ -19,5 +20,11 @@ FactoryBot.define do
         tournament.stages = create_list(:stage, evaluator.stage_count)
       end
     end
+
+    factory :group_stage_tournament do
+      after(:create) do |tournament, _evaluator|
+        tournament.stages = create_list(:group_stage, 1)
+      end
+    end
   end
 end