diff --git a/packages/vscode/src/stacks/test/worker/index.ts b/packages/vscode/src/stacks/test/worker/index.ts
index 79b4dc4..45f9bcd 100644
--- a/packages/vscode/src/stacks/test/worker/index.ts
+++ b/packages/vscode/src/stacks/test/worker/index.ts
@@ -129,9 +129,13 @@ export class Worker {
           ? { ...data.coverage, reporters: [new CoverageReporter()] }
           : data.coverage,
       });
-      const runOptions = { filters: fileFilters } satisfies NonNullable<
-        Parameters<typeof rstest.run>[0]
-      >;
+      const runOptions: NonNullable<Parameters<typeof rstest.run>[0]> = {
+        filters: fileFilters,
+      };
+      // Project configs receive operation options, not root config overrides.
+      if (data.testNamePattern !== undefined) {
+        runOptions.testNamePattern = data.testNamePattern;
+      }
       if (command === 'watch') {
         const startup = rstest.watch(runOptions);
         this.watcherStartupPromise = startup;
diff --git a/packages/vscode/tests/stacks/test/master.test.ts b/packages/vscode/tests/stacks/test/master.test.ts
index 00a098e..70887c9 100644
--- a/packages/vscode/tests/stacks/test/master.test.ts
+++ b/packages/vscode/tests/stacks/test/master.test.ts
@@ -1018,6 +1018,28 @@ describe('Rstest public API', () => {
   });
 
   describe('Rstest public run lifecycle', () => {
+    it('passes a selected test name to the run operation', async () => {
+      const engineRun = rs.fn(async () => ({
+        status: 'pass',
+        unhandledErrors: [],
+      }));
+      const worker = new Worker();
+      rs.spyOn(worker as any, 'init').mockResolvedValue({
+        command: 'run',
+        fileFilters: ['"/x/file.test.ts"'],
+        rstest: { run: engineRun },
+      });
+
+      await worker.runTest({
+        testNamePattern: '^selected test$',
+      } as WorkerInitOptions);
+
+      expect(engineRun).toHaveBeenCalledWith({
+        filters: ['"/x/file.test.ts"'],
+        testNamePattern: '^selected test$',
+      });
+    });
+
     it.each([
       { filter: '/x/tests', kind: 'folder' },
       { filter: '"/x/tests/file.test.ts"', kind: 'file' },