diff --git a/PKHeX.Core/Saves/Substructures/Gen8/BS/BattleTrainerStatus8b.cs b/PKHeX.Core/Saves/Substructures/Gen8/BS/BattleTrainerStatus8b.cs
index 71bbacc96..77421196b 100644
--- a/PKHeX.Core/Saves/Substructures/Gen8/BS/BattleTrainerStatus8b.cs
+++ b/PKHeX.Core/Saves/Substructures/Gen8/BS/BattleTrainerStatus8b.cs
@@ -39,7 +39,7 @@ public void RebattleAll()
         {
             for (int i = 0; i < COUNT_TRAINER; i++)
             {
-                SetIsWin(i, true);
+                SetIsWin(i, false);
                 SetIsBattleSearcher(i, true);
             }
         }