diff --git a/api/views.py b/api/views.py
index ea9f611..5ea3dd5 100644
--- a/api/views.py
+++ b/api/views.py
@@ -97,6 +97,9 @@ class RoundViewSet(viewsets.ModelViewSet):
     serializer_class = RoundSerializer
 
     def get_queryset(self):
+        tournament_id = self.request.query_params.get('tournament')
+        if tournament_id:
+            return self.queryset.filter(tournament=tournament_id)
         if self.request.user:
             return self.queryset.filter(tournament__event__creator=self.request.user)
         return []
@@ -106,6 +109,9 @@ class GroupStageViewSet(viewsets.ModelViewSet):
     serializer_class = GroupStageSerializer
 
     def get_queryset(self):
+        tournament_id = self.request.query_params.get('tournament')
+        if tournament_id:
+            return self.queryset.filter(tournament=tournament_id)
         if self.request.user:
             return self.queryset.filter(tournament__event__creator=self.request.user)
         return []
@@ -115,6 +121,9 @@ class MatchViewSet(viewsets.ModelViewSet):
     serializer_class = MatchSerializer
 
     def get_queryset(self):
+        tournament_id = self.request.query_params.get('tournament')
+        if tournament_id:
+            return self.queryset.filter(Q(group_stage__tournament=tournament_id) | Q(round__tournament=tournament_id))
         if self.request.user:
             return self.queryset.filter(Q(group_stage__tournament__event__creator=self.request.user) | Q(round__tournament__event__creator=self.request.user))
         return []
@@ -124,6 +133,9 @@ class TeamScoreViewSet(viewsets.ModelViewSet):
     serializer_class = TeamScoreSerializer
 
     def get_queryset(self):
+        tournament_id = self.request.query_params.get('tournament')
+        if tournament_id:
+            return self.queryset.filter(team_registration__tournament=tournament_id)
         if self.request.user:
             return self.queryset.filter(team_registration__tournament__event__creator=self.request.user)
         return []
@@ -133,6 +145,9 @@ class TeamRegistrationViewSet(viewsets.ModelViewSet):
     serializer_class = TeamRegistrationSerializer
 
     def get_queryset(self):
+        tournament_id = self.request.query_params.get('tournament')
+        if tournament_id:
+            return self.queryset.filter(tournament=tournament_id)
         if self.request.user:
             return self.queryset.filter(tournament__event__creator=self.request.user)
         return []
@@ -142,6 +157,9 @@ class PlayerRegistrationViewSet(viewsets.ModelViewSet):
     serializer_class = PlayerRegistrationSerializer
 
     def get_queryset(self):
+        tournament_id = self.request.query_params.get('tournament')
+        if tournament_id:
+            return self.queryset.filter(team_registration__tournament=tournament_id)
         if self.request.user:
             return self.queryset.filter(team_registration__tournament__event__creator=self.request.user)
         return []
@@ -162,7 +180,7 @@ class DateIntervalViewSet(viewsets.ModelViewSet):
 class FailedApiCallViewSet(viewsets.ModelViewSet):
     queryset = FailedApiCall.objects.all()
     serializer_class = FailedApiCallSerializer
-    permission_classes = [] # Users are public whereas the other requests are only for logged users
+    permission_classes = [] # FailedApiCall are public whereas the other requests are only for logged users
 
     def get_queryset(self):
         return []