diff --git a/src/modules/statistic_creator.py b/src/modules/statistic_creator.py
index c3f3d5b..ee81f79 100644
--- a/src/modules/statistic_creator.py
+++ b/src/modules/statistic_creator.py
@@ -408,8 +408,9 @@ def get_winrate_over_time(session: Session, player_name: str | None = None, day_
 
         all_playplayers = list(filter(lambda playplayer: boardgame_id == None or playplayer.play.boardgame.id == boardgame_id, all_playplayers))
 
-        if start_date > all_playplayers[0].play.play_date:
-            start_date = all_playplayers[0].play.play_date
+        if len(all_playplayers > 0):
+            if start_date > all_playplayers[0].play.play_date:
+                start_date = all_playplayers[0].play.play_date
 
         timeline_dict = {}