diff --git a/frontend/e2e/briefwechsel-a11y.spec.ts b/frontend/e2e/briefwechsel-a11y.spec.ts
index 2a001afb..74d659b9 100644
--- a/frontend/e2e/briefwechsel-a11y.spec.ts
+++ b/frontend/e2e/briefwechsel-a11y.spec.ts
@@ -1,8 +1,13 @@
 import AxeBuilder from '@axe-core/playwright';
 import { test, expect } from '@playwright/test';
+import {
+	seedBilateralPair,
+	cleanupBilateralPair,
+	type BilateralPair
+} from './fixtures/bilateral-correspondence';
 
-// Accessibility coverage specifically for the briefwechsel thumbnail-row
-// layout. Seeds two persons + a bilateral document via the API so the page
+// Accessibility coverage for the briefwechsel thumbnail-row layout. Seeds
+// two persons + a bilateral document via the shared fixture so the page
 // reaches the results state (not the hero), then runs axe-core
 // (wcag2a + wcag2aa) across three viewports and two color schemes.
 
@@ -14,33 +19,15 @@ const VIEWPORTS = [
 
 const THEMES = ['light', 'dark'] as const;
 
-let senderId: string;
-let receiverId: string;
+let pair: BilateralPair;
 
 test.describe('Accessibility — /briefwechsel row layout', () => {
 	test.beforeAll(async ({ request }) => {
-		const timestamp = Date.now();
-		const senderRes = await request.post('/api/persons', {
-			data: { firstName: 'A11y', lastName: `Sender-${timestamp}` }
-		});
-		if (!senderRes.ok()) throw new Error(`Create sender failed: ${senderRes.status()}`);
-		senderId = (await senderRes.json()).id;
+		pair = await seedBilateralPair(request, 'A11y');
+	});
 
-		const receiverRes = await request.post('/api/persons', {
-			data: { firstName: 'A11y', lastName: `Receiver-${timestamp}` }
-		});
-		if (!receiverRes.ok()) throw new Error(`Create receiver failed: ${receiverRes.status()}`);
-		receiverId = (await receiverRes.json()).id;
-
-		const docRes = await request.post('/api/documents', {
-			multipart: {
-				title: 'A11y Test Brief',
-				documentDate: '1950-06-15',
-				senderId,
-				receiverIds: receiverId
-			}
-		});
-		if (!docRes.ok()) throw new Error(`Create document failed: ${docRes.status()}`);
+	test.afterAll(async ({ request }) => {
+		await cleanupBilateralPair(request, pair);
 	});
 
 	for (const vp of VIEWPORTS) {
@@ -49,7 +36,7 @@ test.describe('Accessibility — /briefwechsel row layout', () => {
 				await page.setViewportSize({ width: vp.width, height: vp.height });
 				await page.emulateMedia({ colorScheme: theme });
 				await page.goto(
-					`/briefwechsel?senderId=${encodeURIComponent(senderId)}&receiverId=${encodeURIComponent(receiverId)}`
+					`/briefwechsel?senderId=${encodeURIComponent(pair.senderId)}&receiverId=${encodeURIComponent(pair.receiverId)}`
 				);
 				await page.waitForSelector('[data-hydrated]');
 
diff --git a/frontend/e2e/fixtures/bilateral-correspondence.ts b/frontend/e2e/fixtures/bilateral-correspondence.ts
new file mode 100644
index 00000000..ee32ef96
--- /dev/null
+++ b/frontend/e2e/fixtures/bilateral-correspondence.ts
@@ -0,0 +1,62 @@
+import type { APIRequestContext } from '@playwright/test';
+
+/**
+ * Test fixture for the briefwechsel row layout.
+ *
+ * Creates two persons and one document with sender/receiver between them so
+ * that `/briefwechsel?senderId=X&receiverId=Y` navigates straight to the row
+ * state (not the hero). Each seed uses a `Date.now()`-suffixed last name so
+ * parallel runs and reruns never collide.
+ *
+ * The backend does not expose a person-delete endpoint, so only the document
+ * is cleaned up in {@link cleanupBilateralPair}. The two timestamped persons
+ * remain in the DB — acceptable for the test environment, and the unique
+ * suffix means they cannot conflict with later runs.
+ */
+
+export interface BilateralPair {
+	senderId: string;
+	receiverId: string;
+	documentId: string;
+}
+
+export async function seedBilateralPair(
+	request: APIRequestContext,
+	prefix: string
+): Promise<BilateralPair> {
+	const timestamp = Date.now();
+
+	const senderRes = await request.post('/api/persons', {
+		data: { firstName: prefix, lastName: `Sender-${timestamp}` }
+	});
+	if (!senderRes.ok()) throw new Error(`Create sender failed: ${senderRes.status()}`);
+	const senderId = (await senderRes.json()).id as string;
+
+	const receiverRes = await request.post('/api/persons', {
+		data: { firstName: prefix, lastName: `Receiver-${timestamp}` }
+	});
+	if (!receiverRes.ok()) throw new Error(`Create receiver failed: ${receiverRes.status()}`);
+	const receiverId = (await receiverRes.json()).id as string;
+
+	const docRes = await request.post('/api/documents', {
+		multipart: {
+			title: `${prefix} Brief`,
+			documentDate: '1950-06-15',
+			senderId,
+			receiverIds: receiverId
+		}
+	});
+	if (!docRes.ok()) throw new Error(`Create document failed: ${docRes.status()}`);
+	const documentId = (await docRes.json()).id as string;
+
+	return { senderId, receiverId, documentId };
+}
+
+export async function cleanupBilateralPair(
+	request: APIRequestContext,
+	pair: BilateralPair
+): Promise<void> {
+	// Only the document is purged — the backend has no person-delete endpoint
+	// and the timestamped last names make orphaned person rows safe to leave.
+	await request.delete(`/api/documents/${pair.documentId}`);
+}