diff --git a/packages/playwright-core/src/server/chromium/chromium.ts b/packages/playwright-core/src/server/chromium/chromium.ts
index 288170a786..8e74b6e02d 100644
--- a/packages/playwright-core/src/server/chromium/chromium.ts
+++ b/packages/playwright-core/src/server/chromium/chromium.ts
@@ -295,7 +295,7 @@ export class Chromium extends BrowserType {
       throw new Error('Playwright manages remote debugging connection itself.');
     if (args.find(arg => !arg.startsWith('-')))
       throw new Error('Arguments can not specify page to be opened');
-    const chromeArguments = [...chromiumSwitches(options.assistantMode)];
+    const chromeArguments = [...chromiumSwitches(options.assistantMode, options.channel)];
 
     if (os.platform() === 'darwin') {
       // See https://github.com/microsoft/playwright/issues/7362
diff --git a/packages/playwright-core/src/server/chromium/chromiumSwitches.ts b/packages/playwright-core/src/server/chromium/chromiumSwitches.ts
index d064ddbe4c..cf609c57cb 100644
--- a/packages/playwright-core/src/server/chromium/chromiumSwitches.ts
+++ b/packages/playwright-core/src/server/chromium/chromiumSwitches.ts
@@ -50,7 +50,7 @@ const disabledFeatures = (assistantMode?: boolean) => [
   assistantMode ? 'AutomationControlled' : '',
 ].filter(Boolean);
 
-export const chromiumSwitches = (assistantMode?: boolean) => [
+export const chromiumSwitches = (assistantMode?: boolean, channel?: string) => [
   '--disable-field-trial-config', // https://source.chromium.org/chromium/chromium/src/+/main:testing/variations/README.md
   '--disable-background-networking',
   '--disable-background-timer-throttling',
@@ -65,6 +65,7 @@ export const chromiumSwitches = (assistantMode?: boolean) => [
   '--disable-dev-shm-usage',
   '--disable-extensions',
   '--disable-features=' + disabledFeatures(assistantMode).join(','),
+  channel === 'chromium-tip-of-tree' ? '--enable-features=CDPScreenshotNewSurface' : '',
   '--allow-pre-commit-input',
   '--disable-hang-monitor',
   '--disable-ipc-flooding-protection',
diff --git a/tests/library/emulation-focus.spec.ts b/tests/library/emulation-focus.spec.ts
index 90cbdb6016..5af6cc7d15 100644
--- a/tests/library/emulation-focus.spec.ts
+++ b/tests/library/emulation-focus.spec.ts
@@ -101,11 +101,11 @@ it('should change document.activeElement', async ({ page, server }) => {
   expect(active).toEqual(['INPUT', 'TEXTAREA']);
 });
 
-it('should not affect screenshots', async ({ page, server, browserName, headless, isWindows, isLinux, isHeadlessShell }) => {
+it('should not affect screenshots', async ({ page, server, browserName, headless, isWindows, isLinux, isHeadlessShell, channel }) => {
   it.skip(browserName === 'webkit' && isWindows && !headless, 'WebKit/Windows/headed has a larger minimal viewport. See https://github.com/microsoft/playwright/issues/22616');
   it.skip(browserName === 'webkit' && isLinux && !headless, 'WebKit headed has a larger minimal viewport on gtk4.');
   it.skip(browserName === 'firefox' && !headless, 'Firefox headed produces a different image');
-  it.fixme(browserName === 'chromium' && !isHeadlessShell, 'https://github.com/microsoft/playwright/issues/33330');
+  it.fixme(browserName === 'chromium' && !isHeadlessShell && channel !== 'chromium-tip-of-tree', 'https://github.com/microsoft/playwright/issues/33330');
 
   const page2 = await page.context().newPage();
   await Promise.all([
diff --git a/tests/library/screenshot.spec.ts b/tests/library/screenshot.spec.ts
index 89a81c3c4c..98d8c96b60 100644
--- a/tests/library/screenshot.spec.ts
+++ b/tests/library/screenshot.spec.ts
@@ -22,8 +22,8 @@ import { verifyViewport } from '../config/utils';
 browserTest.describe('page screenshot', () => {
   browserTest.skip(({ browserName, headless }) => browserName === 'firefox' && !headless, 'Firefox headed produces a different image.');
 
-  browserTest('should run in parallel in multiple pages', async ({ server, contextFactory, browserName, isHeadlessShell }) => {
-    browserTest.fixme(browserName === 'chromium' && !isHeadlessShell, 'https://github.com/microsoft/playwright/issues/33330');
+  browserTest('should run in parallel in multiple pages', async ({ server, contextFactory, browserName, isHeadlessShell, channel }) => {
+    browserTest.fixme(browserName === 'chromium' && !isHeadlessShell && channel !== 'chromium-tip-of-tree', 'https://github.com/microsoft/playwright/issues/33330');
 
     const context = await contextFactory();
     const N = 5;