diff --git a/packages/playwright-core/src/server/chromium/crNetworkManager.ts b/packages/playwright-core/src/server/chromium/crNetworkManager.ts
index ad07d24eacd65..af9cb8fc82dee 100644
--- a/packages/playwright-core/src/server/chromium/crNetworkManager.ts
+++ b/packages/playwright-core/src/server/chromium/crNetworkManager.ts
@@ -28,6 +28,7 @@ import type * as types from '../types';
 import type { CRPage } from './crPage';
 import { assert, headersObjectToArray } from '../../utils';
 import type { CRServiceWorker } from './crServiceWorker';
+import { isProtocolError } from '../protocolError';
 
 type SessionInfo = {
   session: CRSession;
@@ -571,34 +572,50 @@ class RouteImpl implements network.RouteDelegate {
       method: overrides.method,
       postData: overrides.postData ? overrides.postData.toString('base64') : undefined
     };
-    await this._session.send('Fetch.continueRequest', this._alreadyContinuedParams);
+    await catchDisallowedErrors(async () => {
+      await this._session.send('Fetch.continueRequest', this._alreadyContinuedParams);
+    });
   }
 
   async fulfill(response: types.NormalizedFulfillResponse) {
     const body = response.isBase64 ? response.body : Buffer.from(response.body).toString('base64');
 
     const responseHeaders = splitSetCookieHeader(response.headers);
-    await this._session.send('Fetch.fulfillRequest', {
-      requestId: this._interceptionId!,
-      responseCode: response.status,
-      responsePhrase: network.STATUS_TEXTS[String(response.status)],
-      responseHeaders,
-      body,
+    await catchDisallowedErrors(async () => {
+      await this._session.send('Fetch.fulfillRequest', {
+        requestId: this._interceptionId!,
+        responseCode: response.status,
+        responsePhrase: network.STATUS_TEXTS[String(response.status)],
+        responseHeaders,
+        body,
+      });
     });
   }
 
   async abort(errorCode: string = 'failed') {
     const errorReason = errorReasons[errorCode];
     assert(errorReason, 'Unknown error code: ' + errorCode);
-    // In certain cases, protocol will return error if the request was already canceled
-    // or the page was closed. We should tolerate these errors.
-    await this._session._sendMayFail('Fetch.failRequest', {
-      requestId: this._interceptionId!,
-      errorReason
+    await catchDisallowedErrors(async () => {
+      await this._session.send('Fetch.failRequest', {
+        requestId: this._interceptionId!,
+        errorReason
+      });
     });
   }
 }
 
+// In certain cases, protocol will return error if the request was already canceled
+// or the page was closed. We should tolerate these errors but propagate other.
+async function catchDisallowedErrors(callback: () => Promise<void>) {
+  try {
+    return await callback();
+  } catch (e) {
+    if (isProtocolError(e) && e.message.includes('Invalid http status code or phrase'))
+      throw e;
+  }
+}
+
+
 function splitSetCookieHeader(headers: types.HeadersArray): types.HeadersArray {
   const index = headers.findIndex(({ name }) => name.toLowerCase() === 'set-cookie');
   if (index === -1)
diff --git a/packages/playwright-core/src/server/network.ts b/packages/playwright-core/src/server/network.ts
index dc2fa2ea3c01d..83b0093a3886e 100644
--- a/packages/playwright-core/src/server/network.ts
+++ b/packages/playwright-core/src/server/network.ts
@@ -134,18 +134,6 @@ export class Request extends SdkObject {
     this._waitForResponsePromise.resolve(null);
   }
 
-  async _waitForRequestFailure() {
-    const response = await this._waitForResponsePromise;
-    // If response is null it was a failure an we are done.
-    if (!response)
-      return;
-    await response._finishedPromise;
-    if (this.failure())
-      return;
-    // If request finished without errors, we stall.
-    await new Promise(() => {});
-  }
-
   _setOverrides(overrides: types.NormalizedContinueOverrides) {
     this._overrides = overrides;
     this._updateHeadersMap();
@@ -270,13 +258,7 @@ export class Route extends SdkObject {
   async abort(errorCode: string = 'failed') {
     this._startHandling();
     this._request._context.emit(BrowserContext.Events.RequestAborted, this._request);
-    await Promise.race([
-      this._delegate.abort(errorCode),
-      // If the request is already cancelled by the page before we handle the route,
-      // we'll receive loading failed event and will ignore route handling error.
-      this._request._waitForRequestFailure()
-    ]);
-
+    await this._delegate.abort(errorCode);
     this._endHandling();
   }
 
@@ -304,17 +286,12 @@ export class Route extends SdkObject {
     const headers = [...(overrides.headers || [])];
     this._maybeAddCorsHeaders(headers);
     this._request._context.emit(BrowserContext.Events.RequestFulfilled, this._request);
-    await Promise.race([
-      this._delegate.fulfill({
-        status: overrides.status || 200,
-        headers,
-        body,
-        isBase64,
-      }),
-      // If the request is already cancelled by the page before we handle the route,
-      // we'll receive loading failed event and will ignore route handling error.
-      this._request._waitForRequestFailure()
-    ]);
+    await this._delegate.fulfill({
+      status: overrides.status || 200,
+      headers,
+      body: body!,
+      isBase64,
+    });
     this._endHandling();
   }
 
@@ -347,13 +324,7 @@ export class Route extends SdkObject {
     this._request._setOverrides(overrides);
     if (!overrides.isFallback)
       this._request._context.emit(BrowserContext.Events.RequestContinued, this._request);
-    await Promise.race([
-      this._delegate.continue(this._request, overrides),
-      // If the request is already cancelled by the page before we handle the route,
-      // we'll receive loading failed event and will ignore route handling error.
-      this._request._waitForRequestFailure()
-    ]);
-
+    await this._delegate.continue(this._request, overrides);
     this._endHandling();
   }