diff --git a/packages/app/tests/e2e/components/ChartEditorComponent.ts b/packages/app/tests/e2e/components/ChartEditorComponent.ts
index 2b1f5199dc..85ee50e1c9 100644
--- a/packages/app/tests/e2e/components/ChartEditorComponent.ts
+++ b/packages/app/tests/e2e/components/ChartEditorComponent.ts
@@ -3,9 +3,10 @@
  * Used for creating and configuring dashboard tiles and chart explorer
  */
 import { DisplayType } from '@hyperdx/common-utils/dist/types';
-import { Locator, Page } from '@playwright/test';
+import { expect, Locator, Page } from '@playwright/test';
 
 import { dismissSqlAutocomplete, getSqlEditor } from '../utils/locators';
+import { switchWhereToLucene } from '../utils/lucene-autocomplete';
 
 import { WebhookAlertModalComponent } from './WebhookAlertModalComponent';
 
@@ -100,6 +101,39 @@ export class ChartEditorComponent {
     await dismissSqlAutocomplete(this.page);
   }
 
+  /**
+   * The tile-editor modal. Series-level lookups have to be scoped to it: the
+   * dashboard behind it renders its own WHERE input with identical markup.
+   * Only meaningful on a dashboard — the chart explorer has no modal.
+   */
+  private get tileEditor() {
+    return this.page
+      .getByRole('dialog')
+      .filter({ has: this.page.getByTestId('chart-name-input') });
+  }
+
+  /**
+   * Set the tile's own filter, which a time chart stores as its series'
+   * `aggCondition` rather than in the config's statement-level `where`.
+   *
+   * Switches to Lucene first for two reasons: the mode is sticky (it is kept in
+   * localStorage, so a previous spec can leave it on SQL), and
+   * `series-where-input` exists only on the Lucene branch of SearchWhereInput —
+   * the SQL branch renders a CodeMirror that carries no test id.
+   */
+  async setSeriesWhere(condition: string) {
+    const editor = this.tileEditor;
+    await switchWhereToLucene(editor.getByTestId('where-language-switch'));
+
+    const input = editor.getByTestId('series-where-input');
+    await expect(input).toBeVisible();
+    await input.fill(condition);
+    // Blur to close the suggestion dropdown, which otherwise overlays the
+    // Run/Save buttons and fails their actionability check. Escape would bubble
+    // to the tile-editor modal and close it.
+    await input.blur();
+  }
+
   /**
    * Select a data source
    */
diff --git a/packages/app/tests/e2e/features/release-markers.spec.ts b/packages/app/tests/e2e/features/release-markers.spec.ts
index 01e1450fe7..1b96ae213f 100644
--- a/packages/app/tests/e2e/features/release-markers.spec.ts
+++ b/packages/app/tests/e2e/features/release-markers.spec.ts
@@ -144,6 +144,35 @@ test.describe('Release markers', { tag: ['@full-stack', '@dashboard'] }, () => {
     await expect(page).not.toHaveURL(/releaseMarkers=true/);
   });
 
+  // The test above filters the *dashboard*; this one filters the *tile*. They
+  // are different fields — a dashboard filter travels as `filters`, while a
+  // time chart's own filter is stored as its series' `aggCondition`, not in the
+  // config's statement-level `where` (the editor clears that). Reading only
+  // `where` left every time chart's markers unscoped, and because the resulting
+  // markers then spanned two services with no matching line, they were all
+  // suppressed: filter to one service, see nothing.
+  test("scopes markers to the tile's own filter", async ({ page }) => {
+    await seedReleases();
+
+    await dashboardPage.createNewDashboard();
+    await dashboardPage.addTileWithSource(
+      'Tile-filtered markers',
+      DEFAULT_LOGS_SOURCE_NAME,
+      `ServiceName:"${RELEASE_SERVICE}"`,
+    );
+    // No dashboard-wide filter this time: the tile's own filter has to be what
+    // narrows the releases query.
+    await dashboardPage.toggleReleaseAnnotations();
+
+    await expect(page).toHaveURL(/releaseMarkers=true/);
+
+    const labels = dashboardPage.getAnnotationLabels();
+    await expect(dashboardPage.getAnnotationMarkers()).toHaveCount(2);
+    await expect(labels.filter({ hasText: OLD_VERSION })).toBeVisible();
+    await expect(labels.filter({ hasText: NEW_VERSION })).toBeVisible();
+    await expect(labels.filter({ hasText: OTHER_VERSION })).toHaveCount(0);
+  });
+
   // Colour alone can't identify a service once the legend overflows its 4-item
   // cap and the matching entry hides behind "+N more". Hover has to name the
   // service outright.
diff --git a/packages/app/tests/e2e/page-objects/DashboardPage.ts b/packages/app/tests/e2e/page-objects/DashboardPage.ts
index 31284350ee..1a2b0d09b8 100644
--- a/packages/app/tests/e2e/page-objects/DashboardPage.ts
+++ b/packages/app/tests/e2e/page-objects/DashboardPage.ts
@@ -589,13 +589,24 @@ export class DashboardPage {
    * Add a tile bound to an explicit source. Unlike addTileWithConfig (which
    * relies on the editor's default source), this selects a known source so the
    * exported tile carries a deterministic source name that auto-maps on import.
+   *
+   * `seriesWhere` sets the tile's own filter, which a time chart stores as its
+   * series' `aggCondition` — a different field from the dashboard-wide filter
+   * that `setGlobalFilter` drives.
    */
-  async addTileWithSource(chartName: string, sourceName: string) {
+  async addTileWithSource(
+    chartName: string,
+    sourceName: string,
+    seriesWhere?: string,
+  ) {
     await this.addTile();
     await expect(this.chartEditor.nameInput).toBeVisible();
     await this.chartEditor.waitForDataToLoad();
     await this.chartEditor.setChartName(chartName);
     await this.chartEditor.selectSource(sourceName);
+    if (seriesWhere != null) {
+      await this.chartEditor.setSeriesWhere(seriesWhere);
+    }
     await this.chartEditor.runQuery(false);
     await this.chartEditor.save();
     await expect(this.getTiles()).toHaveCount(1, { timeout: 10000 });