diff --git a/level_zero/core/test/unit_tests/sources/cmdqueue/test_cmdqueue.cpp b/level_zero/core/test/unit_tests/sources/cmdqueue/test_cmdqueue.cpp
index 6c1c43531d..289690471f 100644
--- a/level_zero/core/test/unit_tests/sources/cmdqueue/test_cmdqueue.cpp
+++ b/level_zero/core/test/unit_tests/sources/cmdqueue/test_cmdqueue.cpp
@@ -1188,6 +1188,8 @@ HWTEST2_F(EngineInstancedDeviceExecuteTests, givenEngineInstancedDeviceWhenExecu
     constexpr uint32_t genericDevicesCount = 1;
     constexpr uint32_t ccsCount = 2;
 
+    DebugManager.flags.AllowSingleTileEngineInstancedSubDevices.set(true);
+
     if (!createDevices(genericDevicesCount, ccsCount)) {
         GTEST_SKIP();
     }
diff --git a/opencl/test/unit_test/device/sub_device_tests.cpp b/opencl/test/unit_test/device/sub_device_tests.cpp
index 38a8862034..d8037b9426 100644
--- a/opencl/test/unit_test/device/sub_device_tests.cpp
+++ b/opencl/test/unit_test/device/sub_device_tests.cpp
@@ -394,6 +394,8 @@ TEST_F(EngineInstancedDeviceTests, givenDebugFlagSetAndMoreThanOneCcsWhenCreatin
     constexpr uint32_t genericDevicesCount = 1;
     constexpr uint32_t ccsCount = 2;
 
+    DebugManager.flags.AllowSingleTileEngineInstancedSubDevices.set(true);
+
     if (!createDevices(genericDevicesCount, ccsCount)) {
         GTEST_SKIP();
     }
@@ -417,6 +419,24 @@ TEST_F(EngineInstancedDeviceTests, givenDebugFlagSetAndMoreThanOneCcsWhenCreatin
     }
 }
 
+TEST_F(EngineInstancedDeviceTests, givenDebugFlagNotSetAndMoreThanOneCcsWhenCreatingRootDeviceWithoutGenericSubDevicesThenDontCreateEngineInstanced) {
+    constexpr uint32_t genericDevicesCount = 1;
+    constexpr uint32_t ccsCount = 2;
+
+    if (!createDevices(genericDevicesCount, ccsCount)) {
+        GTEST_SKIP();
+    }
+
+    auto &hwInfo = rootDevice->getHardwareInfo();
+
+    EXPECT_EQ(ccsCount, hwInfo.gtSystemInfo.CCSInfo.NumberOfCCSEnabled);
+    EXPECT_EQ(0u, rootDevice->getNumSubDevices());
+    EXPECT_EQ(0u, rootDevice->getNumGenericSubDevices());
+
+    EXPECT_FALSE(hasRootCsrOnly(rootDevice));
+    EXPECT_TRUE(hasAllEngines(rootDevice));
+}
+
 TEST_F(EngineInstancedDeviceTests, givenDebugFlagSetAndZeroCcsesWhenCreatingRootDeviceWithoutGenericSubDevicesThenCreateEngineInstanced) {
     constexpr uint32_t genericDevicesCount = 1;
     constexpr uint32_t ccsCount = 0;
@@ -782,6 +802,8 @@ TEST_F(EngineInstancedDeviceTests, givenAffinityMaskForSecondLevelOnSingleTileDe
     constexpr uint32_t genericDevicesCount = 1;
     constexpr uint32_t ccsCount = 2;
 
+    DebugManager.flags.AllowSingleTileEngineInstancedSubDevices.set(true);
+
     DebugManager.flags.ZE_AFFINITY_MASK.set("0.0");
 
     if (!createDevices(genericDevicesCount, ccsCount)) {
@@ -795,12 +817,30 @@ TEST_F(EngineInstancedDeviceTests, givenAffinityMaskForSecondLevelOnSingleTileDe
     EXPECT_EQ(ccsCount, rootDevice->getNumSubDevices());
 }
 
+TEST_F(EngineInstancedDeviceTests, givenAffinityMaskForSecondLevelOnSingleTileDeviceWithoutDebugFlagWhenCreatingThenDontEnableAllEngineInstancedDevices) {
+    constexpr uint32_t genericDevicesCount = 1;
+    constexpr uint32_t ccsCount = 2;
+
+    DebugManager.flags.ZE_AFFINITY_MASK.set("0.0");
+
+    if (!createDevices(genericDevicesCount, ccsCount)) {
+        GTEST_SKIP();
+    }
+
+    EXPECT_FALSE(hasRootCsrOnly(rootDevice));
+
+    EXPECT_FALSE(rootDevice->isEngineInstanced());
+    EXPECT_EQ(0u, rootDevice->getNumGenericSubDevices());
+    EXPECT_EQ(0u, rootDevice->getNumSubDevices());
+}
+
 HWTEST2_F(EngineInstancedDeviceTests, givenEngineInstancedDeviceWhenProgrammingCfeStateThenSetSingleSliceDispatch, IsAtLeastXeHpCore) {
     using CFE_STATE = typename FamilyType::CFE_STATE;
 
     constexpr uint32_t genericDevicesCount = 1;
     constexpr uint32_t ccsCount = 2;
 
+    DebugManager.flags.AllowSingleTileEngineInstancedSubDevices.set(true);
     if (!createDevices(genericDevicesCount, ccsCount)) {
         GTEST_SKIP();
     }
diff --git a/opencl/test/unit_test/test_files/igdrcl.config b/opencl/test/unit_test/test_files/igdrcl.config
index 9b20c23c93..9ab2377bd9 100644
--- a/opencl/test/unit_test/test_files/igdrcl.config
+++ b/opencl/test/unit_test/test_files/igdrcl.config
@@ -332,3 +332,4 @@ AllowMixingRegularAndCooperativeKernels = 0
 AllowPatchingVfeStateInCommandLists = 0
 PrintMemoryRegionSizes = 0
 OverrideDrmRegion = -1
+AllowSingleTileEngineInstancedSubDevices = 0
diff --git a/shared/source/debug_settings/debug_variables_base.inl b/shared/source/debug_settings/debug_variables_base.inl
index 513fcf08ff..467a6d9ee8 100644
--- a/shared/source/debug_settings/debug_variables_base.inl
+++ b/shared/source/debug_settings/debug_variables_base.inl
@@ -262,6 +262,7 @@ DECLARE_DEBUG_VARIABLE(bool, EnableFormatQuery, true, "Enable sharing format que
 DECLARE_DEBUG_VARIABLE(bool, EnableFreeMemory, false, "Enable freeMemory in memory manager")
 DECLARE_DEBUG_VARIABLE(bool, ForceSamplerLowFilteringPrecision, false, "Force Low Filtering Precision Sampler mode")
 DECLARE_DEBUG_VARIABLE(bool, EngineInstancedSubDevices, false, "Create subdevices assigned to specific engine")
+DECLARE_DEBUG_VARIABLE(bool, AllowSingleTileEngineInstancedSubDevices, false, "Create subdevices assigned to specific engine on signle tile config")
 DECLARE_DEBUG_VARIABLE(int32_t, EnableKernelTunning, -1, "Perform a tunning of enqueue kernel, -1:default(disabled), 0:disable, 1:enable simple kernel tunning, 2:enable full kernel tunning")
 DECLARE_DEBUG_VARIABLE(int32_t, EnableBOMmapCreate, -1, "Create BOs using mmap, -1:default, 0:disable(GEM_USERPTR), 1:enable")
 DECLARE_DEBUG_VARIABLE(int32_t, EnableGemCloseWorker, -1, "Use asynchronous gem object closing, -1:default, 0:disable, 1:enable")
diff --git a/shared/source/device/device.cpp b/shared/source/device/device.cpp
index fdcb3b525d..bf64261983 100644
--- a/shared/source/device/device.cpp
+++ b/shared/source/device/device.cpp
@@ -83,8 +83,12 @@ bool Device::genericSubDevicesAllowed() {
 }
 
 bool Device::engineInstancedSubDevicesAllowed() {
-    if ((DebugManager.flags.EngineInstancedSubDevices.get() != 1) || engineInstanced ||
-        (getHardwareInfo().gtSystemInfo.CCSInfo.NumberOfCCSEnabled < 2)) {
+    bool notAllowed = !DebugManager.flags.EngineInstancedSubDevices.get();
+    notAllowed |= engineInstanced;
+    notAllowed |= (getHardwareInfo().gtSystemInfo.CCSInfo.NumberOfCCSEnabled < 2);
+    notAllowed |= ((HwHelper::getSubDevicesCount(&getHardwareInfo()) < 2) && (!DebugManager.flags.AllowSingleTileEngineInstancedSubDevices.get()));
+
+    if (notAllowed) {
         return false;
     }