diff --git a/src/server/frames.ts b/src/server/frames.ts
index 3e99bff193955..4c329830ef1ce 100644
--- a/src/server/frames.ts
+++ b/src/server/frames.ts
@@ -823,6 +823,10 @@ export class Frame extends SdkObject {
     return this._parentFrame;
   }
 
+  isMainFrame(): boolean {
+    return this._page.mainFrame() === this;
+  }
+
   childFrames(): Frame[] {
     return Array.from(this._childFrames);
   }
diff --git a/src/server/webkit/wkInterceptableRequest.ts b/src/server/webkit/wkInterceptableRequest.ts
index 8aff250bb224a..eb096a27eed22 100644
--- a/src/server/webkit/wkInterceptableRequest.ts
+++ b/src/server/webkit/wkInterceptableRequest.ts
@@ -45,7 +45,7 @@ const errorReasons: { [reason: string]: Protocol.Network.ResourceErrorType } = {
 export class WKInterceptableRequest {
   private readonly _session: WKSession;
   readonly request: network.Request;
-  readonly _requestId: string;
+  _requestId: string;
   _timestamp: number;
   _wallTime: number;
   readonly _route: WKRouteImpl | null;
diff --git a/src/server/webkit/wkPage.ts b/src/server/webkit/wkPage.ts
index d278547a5636c..3f6246ec873a1 100644
--- a/src/server/webkit/wkPage.ts
+++ b/src/server/webkit/wkPage.ts
@@ -76,6 +76,7 @@ export class WKPage implements PageDelegate {
   private _nextWindowOpenPopupFeatures?: string[];
   private _recordingVideoFile: string | null = null;
   private _screencastGeneration: number = 0;
+  private _currentMainFrameNavigation: WKNavigation | undefined;
 
   constructor(browserContext: WKBrowserContext, pageProxySession: WKSession, opener: WKPage | null) {
     this._pageProxySession = pageProxySession;
@@ -411,6 +412,8 @@ export class WKPage implements PageDelegate {
   }
 
   private _onFrameStoppedLoading(frameId: string) {
+    if (this._currentMainFrameNavigation?.shouldIgnoreFrameStoppedLoading(frameId))
+      return;
     this._page._frameManager.frameStoppedLoading(frameId);
   }
 
@@ -940,7 +943,26 @@ export class WKPage implements PageDelegate {
     return result.handle;
   }
 
-  _onRequestWillBeSent(session: WKSession, event: Protocol.Network.requestWillBeSentPayload) {
+  _onRequestWillBeSentProvisional(session: WKSession, event: Protocol.Network.requestWillBeSentPayload) {
+    if (!this._currentMainFrameNavigation?.checkIfSameNavigationInNewProcess(event)) {
+      this._onRequestWillBeSent(session, event);
+      return;
+    }
+    const oldId = this._currentMainFrameNavigation._originalRequestId;
+    const request = this._requestIdToRequest.get(oldId);
+    if (!request)
+      return;
+    const payload = this._requestIdToResponseReceivedPayloadEvent.get(oldId);
+    this._requestIdToRequest.delete(oldId);
+    this._requestIdToResponseReceivedPayloadEvent.delete(oldId);
+    const newId = event.requestId;
+    request._requestId = newId;
+    this._requestIdToRequest.set(newId, request);
+    if (payload)
+      this._requestIdToResponseReceivedPayloadEvent.set(newId, payload);
+  }
+
+  private _onRequestWillBeSent(session: WKSession, event: Protocol.Network.requestWillBeSentPayload) {
     if (event.request.url.startsWith('data:'))
       return;
     let redirectedFrom: WKInterceptableRequest | null = null;
@@ -961,6 +983,8 @@ export class WKPage implements PageDelegate {
     // TODO(einbinder) this will fail if we are an XHR document request
     const isNavigationRequest = event.type === 'Document';
     const documentId = isNavigationRequest ? event.loaderId : undefined;
+    if (isNavigationRequest && frame.isMainFrame())
+      this._currentMainFrameNavigation = new WKNavigation(this, event);
     let route = null;
     // We do not support intercepting redirects.
     if (this._page._needsRequestInterception() && !redirectedFrom)
@@ -986,7 +1010,7 @@ export class WKPage implements PageDelegate {
       session.sendMayFail('Network.interceptRequestWithError', { errorType: 'Cancellation', requestId: event.requestId });
       return;
     }
-    if (!request._route) {
+    if (!request._route || this._currentMainFrameNavigation?.shoudIgnoreRequestInterception(event)) {
       // Intercepted, although we do not intend to allow interception.
       // Just continue.
       session.sendMayFail('Network.interceptWithRequest', { requestId: request._requestId });
@@ -1006,6 +1030,8 @@ export class WKPage implements PageDelegate {
   }
 
   _onResponseReceived(event: Protocol.Network.responseReceivedPayload) {
+    if (this._currentMainFrameNavigation?.checkIfDuplicateResponseEvent(event))
+      return;
     const request = this._requestIdToRequest.get(event.requestId);
     // FileUpload sends a response without a matching request.
     if (!request)
@@ -1063,7 +1089,12 @@ export class WKPage implements PageDelegate {
     this._page._frameManager.reportRequestFinished(request.request, response);
   }
 
-  _onLoadingFailed(event: Protocol.Network.loadingFailedPayload) {
+  private _onLoadingFailed(event: Protocol.Network.loadingFailedPayload) {
+    if (!this._currentMainFrameNavigation?.shouldIgnoreLoadingFailedEvent(event))
+      this._onLoadingFailedShared(event);
+  }
+
+  _onLoadingFailedShared(event: Protocol.Network.loadingFailedPayload) {
     const request = this._requestIdToRequest.get(event.requestId);
     // For certain requestIds we never receive requestWillBeSent event.
     // @see https://crbug.com/750469
@@ -1099,6 +1130,10 @@ export class WKPage implements PageDelegate {
   async _clearPermissions() {
     await this._pageProxySession.send('Emulation.resetPermissions', {});
   }
+
+  hasProvisionalPage() {
+    return !!this._provisionalPage;
+  }
 }
 
 /**
@@ -1160,3 +1195,68 @@ function isLoadedSecurely(url: string, timing: network.ResourceTiming) {
     return true;
   } catch (_) {}
 }
+
+
+class WKNavigation {
+  private readonly _page: WKPage;
+  // loaderId is a navigation id which is unique within browser and persists during cross-process navigation.
+  private readonly _loaderId: string;
+  readonly _originalRequestId: Protocol.Network.RequestId;
+  private readonly _frameId: string;
+  private _responseReceived: boolean = false;
+  private _didCheckFirstRequestInProvisionalPage: boolean = false;
+  private _provisionalPageRequestId: string | undefined;
+
+  constructor(page: WKPage, event: Protocol.Network.requestWillBeSentPayload) {
+    this._page = page;
+    this._loaderId = event.loaderId;
+    this._originalRequestId = event.requestId;
+    this._frameId = event.frameId;
+  }
+
+  shouldIgnoreFrameStoppedLoading(frameId: string): boolean {
+    if (frameId !== this._frameId)
+      return false;
+    // Navigation in the original frame is canceled and actually continues in the
+    // provisional page, so we ignore failure events from the original page.
+    return this._page.hasProvisionalPage();
+  }
+
+  shouldIgnoreLoadingFailedEvent(event: Protocol.Network.loadingFailedPayload): boolean {
+    if (event.requestId !== this._originalRequestId)
+      return false;
+    if (!event.canceled)
+      return false;
+    // Navigation in the original frame is canceled and actually continues in the
+    // provisional page, so we ignore failure events from the original page.
+    return this._page.hasProvisionalPage();
+  }
+
+  checkIfSameNavigationInNewProcess(event: Protocol.Network.requestWillBeSentPayload): boolean {
+    if (this._didCheckFirstRequestInProvisionalPage)
+      return false;
+    this._didCheckFirstRequestInProvisionalPage = true;
+    if (event.loaderId !== this._loaderId)
+      return false;
+    this._provisionalPageRequestId = event.requestId;
+    return true;
+  }
+
+  checkIfDuplicateResponseEvent(event: Protocol.Network.responseReceivedPayload): boolean {
+    if (this._originalRequestId === event.requestId || this._provisionalPageRequestId === event.requestId) {
+      // In case of cross-process navigation caused by Cross-Origin-Opener-Policy response header
+      // WebKit sends two responseReceived events from the old web process and one such event from the
+      // new provisonal web process.
+      if (this._responseReceived)
+        return true;
+      this._responseReceived = true;
+    }
+    return false;
+  }
+
+  shoudIgnoreRequestInterception(event: Protocol.Network.requestInterceptedPayload): boolean {
+    // It only makes sense to intercept request in the old process before it is sent to
+    // the server (in the new process the response is already received and will be replayed)
+    return this._provisionalPageRequestId === event.requestId;
+  }
+}
\ No newline at end of file
diff --git a/src/server/webkit/wkProvisionalPage.ts b/src/server/webkit/wkProvisionalPage.ts
index cccb8080edc1f..cf3dc42237277 100644
--- a/src/server/webkit/wkProvisionalPage.ts
+++ b/src/server/webkit/wkProvisionalPage.ts
@@ -42,12 +42,12 @@ export class WKProvisionalPage {
     const wkPage = this._wkPage;
 
     this._sessionListeners = [
-      eventsHelper.addEventListener(session, 'Network.requestWillBeSent', overrideFrameId(e => wkPage._onRequestWillBeSent(session, e))),
+      eventsHelper.addEventListener(session, 'Network.requestWillBeSent', overrideFrameId(e => wkPage._onRequestWillBeSentProvisional(session, e))),
       eventsHelper.addEventListener(session, 'Network.requestIntercepted', overrideFrameId(e => wkPage._onRequestIntercepted(session, e))),
       eventsHelper.addEventListener(session, 'Network.responseIntercepted', overrideFrameId(e => wkPage._onResponseIntercepted(session, e))),
       eventsHelper.addEventListener(session, 'Network.responseReceived', overrideFrameId(e => wkPage._onResponseReceived(e))),
       eventsHelper.addEventListener(session, 'Network.loadingFinished', overrideFrameId(e => wkPage._onLoadingFinished(e))),
-      eventsHelper.addEventListener(session, 'Network.loadingFailed', overrideFrameId(e => wkPage._onLoadingFailed(e))),
+      eventsHelper.addEventListener(session, 'Network.loadingFailed', overrideFrameId(e => wkPage._onLoadingFailedShared(e))),
     ];
 
     this.initializationPromise = this._wkPage._initializeSession(session, true, ({ frameTree }) => this._handleFrameTree(frameTree));
diff --git a/tests/download.spec.ts b/tests/download.spec.ts
index fb338f9c51045..52b975ce3ce7c 100644
--- a/tests/download.spec.ts
+++ b/tests/download.spec.ts
@@ -39,6 +39,12 @@ it.describe('download event', () => {
       res.write('foo');
       res.uncork();
     });
+    server.setRoute('/downloadWithCOOP', (req, res) => {
+      res.setHeader('Content-Type', 'application/octet-stream');
+      res.setHeader('Content-Disposition', 'attachment');
+      res.setHeader('Cross-Origin-Opener-Policy', 'same-origin');
+      res.end(`Hello world`);
+    });
   });
 
   it('should report download when navigation turns into download', async ({ browser, server, browserName }) => {
@@ -67,6 +73,32 @@ it.describe('download event', () => {
     await page.close();
   });
 
+  it('should work with Cross-Origin-Opener-Policy', async ({ browser, server, browserName }) => {
+    const page = await browser.newPage({ acceptDownloads: true });
+    const [ download, responseOrError ] = await Promise.all([
+      page.waitForEvent('download'),
+      page.goto(server.PREFIX + '/downloadWithCOOP').catch(e => e)
+    ]);
+    expect(download.page()).toBe(page);
+    expect(download.url()).toBe(`${server.PREFIX}/downloadWithCOOP`);
+    const path = await download.path();
+    expect(fs.existsSync(path)).toBeTruthy();
+    expect(fs.readFileSync(path).toString()).toBe('Hello world');
+    if (browserName === 'chromium') {
+      expect(responseOrError instanceof Error).toBeTruthy();
+      expect(responseOrError.message).toContain('net::ERR_ABORTED');
+      expect(page.url()).toBe('about:blank');
+    } else if (browserName === 'webkit') {
+      expect(responseOrError instanceof Error).toBeTruthy();
+      expect(responseOrError.message).toContain('Download is starting');
+      expect(page.url()).toBe('about:blank');
+    } else {
+      expect(responseOrError.status()).toBe(200);
+      expect(page.url()).toBe(server.PREFIX + '/download');
+    }
+    await page.close();
+  });
+
   it('should report downloads with acceptDownloads: false', async ({ browser, server }) => {
     const page = await browser.newPage();
     await page.setContent(`<a href="${server.PREFIX}/downloadWithFilename">download</a>`);
diff --git a/tests/page/page-goto.spec.ts b/tests/page/page-goto.spec.ts
index 7fdfae4f8aef7..5706724dbe32e 100644
--- a/tests/page/page-goto.spec.ts
+++ b/tests/page/page-goto.spec.ts
@@ -58,14 +58,85 @@ it('should work cross-process', async ({ page, server }) => {
   expect(response.url()).toBe(url);
 });
 
-it('should work with Cross-Origin-Opener-Policy', async ({ page, server, browserName }) => {
-  it.fail(browserName === 'webkit', 'Regressed in https://trac.webkit.org/changeset/281516/webkit');
+it('should work with cross-process that fails before committing', async ({ page, server, browserName }) => {
+  server.setRoute('/empty.html', (req, res) => {
+    req.socket.destroy();
+  });
+  const response1 = await page.goto(server.CROSS_PROCESS_PREFIX + '/title.html');
+  await response1.finished();
+  const error = await page.goto(server.EMPTY_PAGE).catch(e => e);
+  if (browserName === 'chromium')
+    expect(error.message).toContain('net::ERR_EMPTY_RESPONSE');
+  if (browserName === 'webkit')
+    expect(error.message).toContain('Message Corrupt');
+  if (browserName === 'firefox')
+    expect(error.message).toContain('NS_ERROR_NET_RESET');
+});
+
+it('should work with Cross-Origin-Opener-Policy', async ({ page, server }) => {
   server.setRoute('/empty.html', (req, res) => {
     res.setHeader('Cross-Origin-Opener-Policy', 'same-origin');
     res.end();
   });
-  await page.goto(server.EMPTY_PAGE);
+  const requests = new Set();
+  const events = [];
+  page.on('request', r => {
+    events.push('request');
+    requests.add(r);
+  });
+  page.on('requestfailed', r => {
+    events.push('requestfailed');
+    requests.add(r);
+  });
+  page.on('requestfinished', r => {
+    events.push('requestfinished');
+    requests.add(r);
+  });
+  page.on('response', r => {
+    events.push('response');
+    requests.add(r.request());
+  });
+  const response = await page.goto(server.EMPTY_PAGE);
+  expect(page.url()).toBe(server.EMPTY_PAGE);
+  await response.finished();
+  expect(events).toEqual(['request', 'response', 'requestfinished']);
+  expect(requests.size).toBe(1);
+  expect(response.request().failure()).toBeNull();
+});
+
+it('should work with Cross-Origin-Opener-Policy after redirect', async ({ page, server }) => {
+  server.setRedirect('/redirect', '/empty.html');
+  server.setRoute('/empty.html', (req, res) => {
+    res.setHeader('Cross-Origin-Opener-Policy', 'same-origin');
+    res.end();
+  });
+  const requests = new Set();
+  const events = [];
+  page.on('request', r => {
+    events.push('request');
+    requests.add(r);
+  });
+  page.on('requestfailed', r => {
+    events.push('requestfailed');
+    requests.add(r);
+  });
+  page.on('requestfinished', r => {
+    events.push('requestfinished');
+    requests.add(r);
+  });
+  page.on('response', r => {
+    events.push('response');
+    requests.add(r.request());
+  });
+  const response = await page.goto(server.PREFIX + '/redirect');
   expect(page.url()).toBe(server.EMPTY_PAGE);
+  await response.finished();
+  expect(events).toEqual(['request', 'response', 'requestfinished', 'request', 'response', 'requestfinished']);
+  expect(requests.size).toBe(2);
+  expect(response.request().failure()).toBeNull();
+  const firstRequest = response.request().redirectedFrom();
+  expect(firstRequest).toBeTruthy();
+  expect(firstRequest.url()).toBe(server.PREFIX + '/redirect');
 });
 
 it('should capture iframe navigation request', async ({ page, server }) => {
diff --git a/tests/page/page-request-continue.spec.ts b/tests/page/page-request-continue.spec.ts
index d1d4c24b2cd7a..c9553d655dec7 100644
--- a/tests/page/page-request-continue.spec.ts
+++ b/tests/page/page-request-continue.spec.ts
@@ -167,3 +167,55 @@ it.describe('', () => {
       expect(arr[i]).toBe(buffer[i]);
   });
 });
+
+it('should work with Cross-Origin-Opener-Policy', async ({ page, server, browserName }) => {
+  let serverHeaders;
+  const serverRequests = [];
+  server.setRoute('/empty.html', (req, res) => {
+    serverRequests.push(req.url);
+    serverHeaders ??= req.headers;
+    res.setHeader('Cross-Origin-Opener-Policy', 'same-origin');
+    res.end();
+  });
+
+  const intercepted = [];
+  await page.route('**/*', (route, req) => {
+    intercepted.push(req.url());
+    route.continue({
+      headers: {
+        foo: 'bar'
+      }
+    });
+  });
+  const requests = new Set();
+  const events = [];
+  page.on('request', r => {
+    events.push('request');
+    requests.add(r);
+  });
+  page.on('requestfailed', r => {
+    events.push('requestfailed');
+    requests.add(r);
+  });
+  page.on('requestfinished', r => {
+    events.push('requestfinished');
+    requests.add(r);
+  });
+  page.on('response', r => {
+    events.push('response');
+    requests.add(r.request());
+  });
+  const response = await page.goto(server.EMPTY_PAGE);
+  expect(intercepted).toEqual([server.EMPTY_PAGE]);
+  // There should be only one request to the server.
+  if (browserName === 'webkit')
+    expect(serverRequests).toEqual(['/empty.html', '/empty.html']);
+  else
+    expect(serverRequests).toEqual(['/empty.html']);
+  expect(serverHeaders['foo']).toBe('bar');
+  expect(page.url()).toBe(server.EMPTY_PAGE);
+  await response.finished();
+  expect(events).toEqual(['request', 'response', 'requestfinished']);
+  expect(requests.size).toBe(1);
+  expect(response.request().failure()).toBeNull();
+});