diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 659de37eb5..ac59403216 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -147,6 +147,8 @@ import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.statehandlers.DepthController;
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.statemanager.StatefulActivity;
+import com.android.launcher3.testing.TestLogging;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.touch.OverScroll;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.util.DynamicResource;
@@ -4491,6 +4493,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
      * Attempts to initiate split with an existing taskView, if one exists
      */
     public void initiateSplitSelect(SplitSelectSource splitSelectSource) {
+        TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "enterSplitSelect");
         mSplitSelectSource = splitSelectSource;
         mSplitHiddenTaskView = getTaskViewByTaskId(splitSelectSource.alreadyRunningTaskId);
         mSplitHiddenTaskViewIndex = indexOfChild(mSplitHiddenTaskView);
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsSplitscreen.java b/quickstep/tests/src/com/android/quickstep/TaplTestsSplitscreen.java
new file mode 100644
index 0000000000..f10b917a73
--- /dev/null
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsSplitscreen.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep;
+
+import android.content.Intent;
+
+import com.android.launcher3.ui.TaplTestsLauncher3;
+import com.android.launcher3.util.rule.TestStabilityRule;
+import com.android.quickstep.TaskbarModeSwitchRule.TaskbarModeSwitch;
+
+import org.junit.After;
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TaplTestsSplitscreen extends AbstractQuickStepTest {
+    private static final String CALCULATOR_APP_NAME = "Calculator";
+    private static final String CALCULATOR_APP_PACKAGE =
+            resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR);
+
+    @Override
+    @Before
+    public void setUp() throws Exception {
+        super.setUp();
+        TaplTestsLauncher3.initialize(this);
+
+        mLauncher.getWorkspace()
+                .deleteAppIcon(mLauncher.getWorkspace().getHotseatAppIcon(0))
+                .switchToAllApps()
+                .getAppIcon(CALCULATOR_APP_NAME)
+                .dragToHotseat(0);
+
+        startAppFast(CALCULATOR_APP_PACKAGE);
+        mLauncher.enableBlockTimeout(true);
+        mLauncher.showTaskbarIfHidden();
+    }
+
+    @After
+    public void tearDown() {
+        mLauncher.enableBlockTimeout(false);
+    }
+
+    @Test
+    // TODO (b/270201357): When this test is proven stable, remove this TestStabilityRule and
+    // introduce into presubmit as well.
+    @TestStabilityRule.Stability(
+            flavors = TestStabilityRule.LOCAL | TestStabilityRule.PLATFORM_POSTSUBMIT)
+    @PortraitLandscape
+    @TaskbarModeSwitch
+    public void testSplitAppFromHomeWithItself() throws Exception {
+        Assume.assumeTrue(mLauncher.isTablet());
+
+        mLauncher.goHome()
+                .switchToAllApps()
+                .getAppIcon(CALCULATOR_APP_NAME)
+                .openMenu()
+                .getSplitScreenMenuItem()
+                .click();
+
+        mLauncher.getLaunchedAppState()
+                .getTaskbar()
+                .getAppIcon(CALCULATOR_APP_NAME)
+                .launchIntoSplitScreen();
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/AppIconMenu.java b/tests/tapl/com/android/launcher3/tapl/AppIconMenu.java
index 82d96309f1..667290f0a2 100644
--- a/tests/tapl/com/android/launcher3/tapl/AppIconMenu.java
+++ b/tests/tapl/com/android/launcher3/tapl/AppIconMenu.java
@@ -54,5 +54,14 @@ public abstract class AppIconMenu {
         return createMenuItem(menuItem);
     }
 
+    /**
+     * Returns a menu item that matches the text "Split screen". Fails if it doesn't exist.
+     */
+    public SplitScreenMenuItem getSplitScreenMenuItem() {
+        final UiObject2 menuItem = mLauncher.waitForObjectInContainer(mDeepShortcutsContainer,
+                AppIcon.getAppIconSelector("Split screen", mLauncher));
+        return new SplitScreenMenuItem(mLauncher, menuItem);
+    }
+
     protected abstract AppIconMenuItem createMenuItem(UiObject2 menuItem);
 }
diff --git a/tests/tapl/com/android/launcher3/tapl/Launchable.java b/tests/tapl/com/android/launcher3/tapl/Launchable.java
index 3dcb4377e7..48e327fbf5 100644
--- a/tests/tapl/com/android/launcher3/tapl/Launchable.java
+++ b/tests/tapl/com/android/launcher3/tapl/Launchable.java
@@ -76,6 +76,27 @@ public abstract class Launchable {
         }
     }
 
+    /**
+     * Clicks a launcher object to initiate splitscreen, where the selected app will be one of two
+     * apps running on the screen. Should be called when Launcher is in a "split staging" state
+     * and is waiting for the user's selection of a second app. Expects a SPLIT_START_EVENT to be
+     * fired when the click is executed.
+     */
+    public LaunchedAppState launchIntoSplitScreen() {
+        try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                "want to launch split tasks from " + launchableType())) {
+            LauncherInstrumentation.log("Launchable.launch before click "
+                    + mObject.getVisibleCenter() + " in " + mLauncher.getVisibleBounds(mObject));
+
+            mLauncher.clickLauncherObject(mObject);
+
+            try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer("clicked")) {
+                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, OverviewTask.SPLIT_START_EVENT);
+                return new LaunchedAppState(mLauncher);
+            }
+        }
+    }
+
     protected LaunchedAppState assertAppLaunched(BySelector selector) {
         mLauncher.assertTrue(
                 "App didn't start: (" + selector + ")",
diff --git a/tests/tapl/com/android/launcher3/tapl/OverviewTask.java b/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
index adc993df94..90f3d13a5d 100644
--- a/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
+++ b/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
@@ -37,10 +37,9 @@ import java.util.stream.Collectors;
 public final class OverviewTask {
     private static final String SYSTEMUI_PACKAGE = "com.android.systemui";
 
-    static final Pattern TASK_START_EVENT =
-            Pattern.compile("startActivityFromRecentsAsync");
-    static final Pattern SPLIT_START_EVENT =
-            Pattern.compile("launchSplitTasks");
+    static final Pattern TASK_START_EVENT = Pattern.compile("startActivityFromRecentsAsync");
+    static final Pattern SPLIT_SELECT_EVENT = Pattern.compile("enterSplitSelect");
+    static final Pattern SPLIT_START_EVENT = Pattern.compile("launchSplitTasks");
     private final LauncherInstrumentation mLauncher;
     private final UiObject2 mTask;
     private final BaseOverview mOverview;
diff --git a/tests/tapl/com/android/launcher3/tapl/SplitScreenMenuItem.java b/tests/tapl/com/android/launcher3/tapl/SplitScreenMenuItem.java
new file mode 100644
index 0000000000..47cf20bab6
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/SplitScreenMenuItem.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.tapl;
+
+import androidx.test.uiautomator.UiObject2;
+
+import com.android.launcher3.testing.shared.TestProtocol;
+
+/**
+ * A class representing the "Split screen" menu item in the app long-press menu. Used for TAPL
+ * testing in a similar way as other menu items {@link AppIconMenuItem}, but unlike AppIconMenuItem,
+ * the split screen command does not trigger an app launch. Instead, it causes Launcher to shift to
+ * a different state (OverviewSplitSelect).
+ */
+public final class SplitScreenMenuItem {
+    private final LauncherInstrumentation mLauncher;
+    private final UiObject2 mObject;
+
+    SplitScreenMenuItem(LauncherInstrumentation launcher, UiObject2 object) {
+        mLauncher = launcher;
+        mObject = object;
+    }
+
+    /**
+     * Executes a click command on this menu item. Expects a SPLIT_SELECT_EVENT to be fired.
+     */
+    public void click() {
+        try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                "want to enter split select from app long-press menu")) {
+            LauncherInstrumentation.log("clicking on split screen menu item "
+                    + mObject.getVisibleCenter() + " in " + mLauncher.getVisibleBounds(mObject));
+
+            mLauncher.clickLauncherObject(mObject);
+
+            try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer("clicked")) {
+                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, OverviewTask.SPLIT_SELECT_EVENT);
+                mLauncher.waitForLauncherObject("split_placeholder");
+            }
+        }
+    }
+}