diff --git a/PkmnLib.Dynamic/Models/Battle.cs b/PkmnLib.Dynamic/Models/Battle.cs
index 861f8ce..cfc3ae4 100644
--- a/PkmnLib.Dynamic/Models/Battle.cs
+++ b/PkmnLib.Dynamic/Models/Battle.cs
@@ -123,7 +123,7 @@ public class BattleImpl : ScriptSource, IBattle
 {
     /// <inheritdoc cref="BattleImpl"/>
     public BattleImpl(IDynamicLibrary library, IReadOnlyList<IBattleParty> parties, bool canFlee, byte numberOfSides,
-        byte positionsPerSide)
+        byte positionsPerSide, int? randomSeed = null)
     {
         Library = library;
         Parties = parties;
@@ -134,7 +134,7 @@ public class BattleImpl : ScriptSource, IBattle
         for (byte i = 0; i < numberOfSides; i++)
             sides[i] = new BattleSideImpl(i, positionsPerSide, this);
         Sides = sides;
-        Random = new BattleRandomImpl();
+        Random = randomSeed.HasValue ? new BattleRandomImpl(randomSeed.Value) : new BattleRandomImpl();
         EventHook = new EventHook();
     }
 
diff --git a/PkmnLib.Dynamic/Models/BattleRandom.cs b/PkmnLib.Dynamic/Models/BattleRandom.cs
index d13bdff..9f2dccd 100644
--- a/PkmnLib.Dynamic/Models/BattleRandom.cs
+++ b/PkmnLib.Dynamic/Models/BattleRandom.cs
@@ -19,6 +19,14 @@ public interface IBattleRandom : IRandom
 /// <inheritdoc cref="IBattleRandom"/>
 public class BattleRandomImpl : RandomImpl, IBattleRandom
 {
+    public BattleRandomImpl()
+    {
+    }
+
+    public BattleRandomImpl(int seed) : base(seed)
+    {
+    }
+
     /// <inheritdoc />
     public bool EffectChance(float chance, IExecutingMove executingMove, IPokemon target, byte hitNumber)
     {
diff --git a/PkmnLib.Tests/Integration/IntegrationTestRunner.cs b/PkmnLib.Tests/Integration/IntegrationTestRunner.cs
index 792f330..daba4e5 100644
--- a/PkmnLib.Tests/Integration/IntegrationTestRunner.cs
+++ b/PkmnLib.Tests/Integration/IntegrationTestRunner.cs
@@ -54,7 +54,7 @@ public class IntegrationTestRunner
             return new BattlePartyImpl(party, x.Indices.Select(y => new ResponsibleIndex(y[0], y[1])).ToArray());
         }).ProcessOneAtATime().GetResultsAsync();
         var battle = new BattleImpl(library, parties, test.BattleSetup.CanFlee, test.BattleSetup.NumberOfSides,
-            test.BattleSetup.PositionsPerSide);
+            test.BattleSetup.PositionsPerSide, randomSeed: test.BattleSetup.Seed);
 
         foreach (var action in test.Actions)
         {