diff --git a/src/system/game-data.ts b/src/system/game-data.ts
index 28154cee2ad..daf01b10458 100644
--- a/src/system/game-data.ts
+++ b/src/system/game-data.ts
@@ -1080,6 +1080,13 @@ export class GameData {
   }
 
   incrementStarterWinCount(species: PokemonSpecies): void {
+    const hasPrevolution = pokemonPrevolutions.hasOwnProperty(species.speciesId);
+
+    if (hasPrevolution) {
+      this.incrementStarterWinCount(getPokemonSpecies(pokemonPrevolutions[species.speciesId]));
+      return;
+    }
+    
     if (!this.starterData[species.speciesId].winCount) {
       this.starterData[species.speciesId].winCount = 0;
     }