diff --git a/interop/client/client.go b/interop/client/client.go
index 42d4208bdc35..af2744e1fe02 100644
--- a/interop/client/client.go
+++ b/interop/client/client.go
@@ -48,9 +48,10 @@ import (
 	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/testdata"
 
-	_ "google.golang.org/grpc/balancer/grpclb"    // Register the grpclb load balancing policy.
-	_ "google.golang.org/grpc/balancer/rls"       // Register the RLS load balancing policy.
-	"google.golang.org/grpc/xds/googledirectpath" // Register xDS resolver required for c2p directpath.
+	_ "google.golang.org/grpc/balancer/grpclb"           // Register the grpclb load balancing policy.
+	_ "google.golang.org/grpc/balancer/randomsubsetting" // Register the random_subsetting_experimental load balancing policy.
+	_ "google.golang.org/grpc/balancer/rls"              // Register the RLS load balancing policy.
+	"google.golang.org/grpc/xds/googledirectpath"        // Register xDS resolver required for c2p directpath.
 
 	testgrpc "google.golang.org/grpc/interop/grpc_testing"
 )
@@ -402,6 +403,9 @@ func main() {
 	case "orca_oob":
 		interop.DoORCAOOBTest(ctx, tc)
 		logger.Infoln("ORCAOOB done")
+	case "random_subsetting":
+		interop.DoEmptyUnaryCall(ctx, tc)
+		logger.Infoln("Random subsetting done")
 	default:
 		logger.Fatal("Unsupported test case: ", *testCase)
 	}
diff --git a/interop/interop_test.sh b/interop/interop_test.sh
index 5240c26f5ea5..b9fc223bebb7 100755
--- a/interop/interop_test.sh
+++ b/interop/interop_test.sh
@@ -94,6 +94,7 @@ CASES=(
   "orca_oob"
   "rpc_soak"
   "channel_soak"
+  "random_subsetting"
 )
 
 # Build server
@@ -112,6 +113,8 @@ else
   pass "successfully built client"
 fi
 
+SERVICE_CONFIG='{ "loadBalancingConfig": [{ "test_backend_metrics_load_balancer": {} }]}'
+
 # Start server
 SERVER_LOG="$(mktemp)"
 GRPC_GO_LOG_SEVERITY_LEVEL=info go run ./interop/server --use_tls &> $SERVER_LOG  &
@@ -119,12 +122,15 @@ GRPC_GO_LOG_SEVERITY_LEVEL=info go run ./interop/server --use_tls &> $SERVER_LOG
 for case in ${CASES[@]}; do
     echo "$(tput setaf 4) $(date): testing: ${case} $(tput sgr 0)"
 
+    if [[ "${case}" == "random_subsetting" ]]; then
+      SERVICE_CONFIG='{ "loadBalancingConfig": [{ "random_subsetting_experimental": { "subsetSize": 3, "childPolicy": [{ "round_robin": {} }] } }]}'
+    fi
     CLIENT_LOG="$(mktemp)"
     if ! GRPC_GO_LOG_SEVERITY_LEVEL=info withTimeout 20 go run ./interop/client \
          --use_tls \
          --server_host_override=foo.test.google.fr \
          --use_test_ca --test_case="${case}" \
-         --service_config_json='{ "loadBalancingConfig": [{ "test_backend_metrics_load_balancer": {} }]}' \
+         --service_config_json="${SERVICE_CONFIG}" \
        &> $CLIENT_LOG; then
         fail "FAIL: test case ${case}
         got server log: