diff --git a/src/Managing.Api/Controllers/BacktestController.cs b/src/Managing.Api/Controllers/BacktestController.cs
index 77eec85..4260c76 100644
--- a/src/Managing.Api/Controllers/BacktestController.cs
+++ b/src/Managing.Api/Controllers/BacktestController.cs
@@ -500,6 +500,7 @@ public class BacktestController : BaseController
 
     /// <summary>
     /// Deletes a specific genetic request by ID for the authenticated user.
+    /// Also deletes all related backtests associated with this genetic request.
     /// </summary>
     /// <param name="id">The ID of the genetic request to delete.</param>
     /// <returns>An ActionResult indicating the outcome of the operation.</returns>
@@ -508,8 +509,17 @@ public class BacktestController : BaseController
     public async Task<ActionResult> DeleteGeneticRequest(string id)
     {
         var user = await GetUser();
+        
+        // First, delete the genetic request
         _geneticService.DeleteGeneticRequestByIdForUser(user, id);
-        return Ok();
+        
+        // Then, delete all related backtests
+        var backtestsDeleted = _backtester.DeleteBacktestsByRequestId(id);
+        
+        return Ok(new { 
+            GeneticRequestDeleted = true, 
+            RelatedBacktestsDeleted = backtestsDeleted 
+        });
     }
 
     /// <summary>
diff --git a/src/Managing.Application.Abstractions/Repositories/IBacktestRepository.cs b/src/Managing.Application.Abstractions/Repositories/IBacktestRepository.cs
index 5462900..d164a5f 100644
--- a/src/Managing.Application.Abstractions/Repositories/IBacktestRepository.cs
+++ b/src/Managing.Application.Abstractions/Repositories/IBacktestRepository.cs
@@ -14,4 +14,5 @@ public interface IBacktestRepository
     void DeleteBacktestByIdForUser(User user, string id);
     void DeleteBacktestsByIdsForUser(User user, IEnumerable<string> ids);
     void DeleteAllBacktestsForUser(User user);
+    void DeleteBacktestsByRequestId(string requestId);
 }
\ No newline at end of file
diff --git a/src/Managing.Application.Abstractions/Services/IBacktester.cs b/src/Managing.Application.Abstractions/Services/IBacktester.cs
index 01b631a..9192d77 100644
--- a/src/Managing.Application.Abstractions/Services/IBacktester.cs
+++ b/src/Managing.Application.Abstractions/Services/IBacktester.cs
@@ -59,6 +59,7 @@ namespace Managing.Application.Abstractions.Services
         bool DeleteBacktestByUser(User user, string id);
         bool DeleteBacktestsByIdsForUser(User user, IEnumerable<string> ids);
         bool DeleteBacktestsByUser(User user);
+        bool DeleteBacktestsByRequestId(string requestId);
         (IEnumerable<LightBacktest> Backtests, int TotalCount) GetBacktestsByUserPaginated(User user, int page, int pageSize, string sortBy = "score", string sortOrder = "desc");
 
 
diff --git a/src/Managing.Application/Backtesting/Backtester.cs b/src/Managing.Application/Backtesting/Backtester.cs
index 031081d..94ec5f6 100644
--- a/src/Managing.Application/Backtesting/Backtester.cs
+++ b/src/Managing.Application/Backtesting/Backtester.cs
@@ -552,6 +552,20 @@ namespace Managing.Application.Backtesting
             }
         }
 
+        public bool DeleteBacktestsByRequestId(string requestId)
+        {
+            try
+            {
+                _backtestRepository.DeleteBacktestsByRequestId(requestId);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Failed to delete backtests for request ID {RequestId}", requestId);
+                return false;
+            }
+        }
+
         public (IEnumerable<LightBacktest> Backtests, int TotalCount) GetBacktestsByUserPaginated(User user, int page,
             int pageSize, string sortBy = "score", string sortOrder = "desc")
         {
diff --git a/src/Managing.Infrastructure.Database/BacktestRepository.cs b/src/Managing.Infrastructure.Database/BacktestRepository.cs
index 2634926..e0782f7 100644
--- a/src/Managing.Infrastructure.Database/BacktestRepository.cs
+++ b/src/Managing.Infrastructure.Database/BacktestRepository.cs
@@ -212,6 +212,18 @@ public class BacktestRepository : IBacktestRepository
         }
     }
 
+    public void DeleteBacktestsByRequestId(string requestId)
+    {
+        var backtests = _backtestRepository.AsQueryable()
+            .Where(b => b.RequestId == requestId)
+            .ToList();
+
+        foreach (var backtest in backtests)
+        {
+            _backtestRepository.DeleteById(backtest.Id.ToString());
+        }
+    }
+
     public (IEnumerable<LightBacktest> Backtests, int TotalCount) GetBacktestsByUserPaginated(User user, int page,
         int pageSize, string sortBy = "score", string sortOrder = "desc")
     {