diff --git a/docs/api/advanced/test-module.md b/docs/api/advanced/test-module.md
index 15f15ad95..a9c2feb5b 100644
--- a/docs/api/advanced/test-module.md
+++ b/docs/api/advanced/test-module.md
@@ -132,7 +132,9 @@ This is a Vite's [`DevEnvironment`](https://vite.dev/guide/api-environment) that
 ## toTestSpecification <Version>4.1.0</Version> {#totestspecification}
 
 ```ts
-function toTestSpecification(): TestSpecification
+function toTestSpecification(testCases?: TestCase[]): TestSpecification
 ```
 
 Returns a new [test specification](/api/advanced/test-specification) that can be used to filter or run this specific test module.
+
+It accepts an optional array of test cases that should be filtered.
diff --git a/packages/vitest/src/node/reporters/reported-tasks.ts b/packages/vitest/src/node/reporters/reported-tasks.ts
index 06f62e54f..65b48cd3b 100644
--- a/packages/vitest/src/node/reporters/reported-tasks.ts
+++ b/packages/vitest/src/node/reporters/reported-tasks.ts
@@ -509,11 +509,11 @@ export class TestModule extends SuiteImplementation {
   /**
    * Returns a new test specification that can be used to filter or run this specific test module.
    */
-  public toTestSpecification(): TestSpecification {
+  public toTestSpecification(testCases?: TestCase[]): TestSpecification {
     const isTypecheck = this.task.meta.typecheck === true
     return this.project.createSpecification(
       this.moduleId,
-      undefined,
+      testCases?.length ? { testIds: testCases.map(t => t.id) } : undefined,
       isTypecheck ? 'typecheck' : undefined,
     )
   }