display groupstage match even if no start date

tournaments/models/match.py

@@ -1,4 +1,5 @@
 from django.db import models
+from tournaments.models import group_stage
 from . import Round, GroupStage, FederalMatchCategory
 from django.utils import timezone, formats
 import uuid
@@ -107,7 +108,10 @@ class Match(models.Model):
             return False
 
     def should_appear(self):
-        return (self.start_date or self.end_date) and len(self.team_scores.all()) > 0
+        if self.group_stage is None:
+            return (self.start_date or self.end_date) and len(self.team_scores.all()) > 0
+        else:
+            return len(self.team_scores.all()) > 0
 
     def formatted_duration(self):