Fix match sorting

tournaments/models/tournament.py

@@ -458,7 +458,7 @@ class Tournament(models.Model):
             matches.extend(group_stage.match_set.all())
         matches = [m for m in matches if m.should_appear()]
         # matches.sort(key=lambda m: (m.non_null_start_date(), m.index), reverse=True)
-        matches.sort(key=lambda m: (m.start_date is not None, m.start_date, m.end_date is None, m.index))
+        matches.sort(key=lambda m: (m.start_date is None, m.end_date is not None, m.start_date, m.index))
 
         return matches