diff --git a/server/src/main/java/org/opensearch/search/fetch/FetchSearchResult.java b/server/src/main/java/org/opensearch/search/fetch/FetchSearchResult.java
index b64638972ed49..fa8759e73cb3b 100644
--- a/server/src/main/java/org/opensearch/search/fetch/FetchSearchResult.java
+++ b/server/src/main/java/org/opensearch/search/fetch/FetchSearchResult.java
@@ -35,6 +35,7 @@
 import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
+import org.opensearch.proto.search.fetch.FetchSearchResultProtoDef;
 import org.opensearch.search.SearchHit;
 import org.opensearch.search.SearchHits;
 import org.opensearch.search.SearchPhaseResult;
@@ -42,6 +43,9 @@
 import org.opensearch.search.internal.ShardSearchContextId;
 import org.opensearch.search.query.QuerySearchResult;
 
+import org.opensearch.transport.protobuf.FetchSearchResultProtobuf;
+import org.opensearch.transport.protobuf.SearchHitsProtobuf;
+
 import java.io.IOException;
 
 /**
@@ -58,12 +62,33 @@ public class FetchSearchResult extends SearchPhaseResult {
 
     public FetchSearchResult() {}
 
+    ////////////////////////////////////////////////
+    ////////////////////////////////////////////////
+    ////////////////////////////////////////////////
+
     public FetchSearchResult(StreamInput in) throws IOException {
-        super(in);
-        contextId = new ShardSearchContextId(in);
-        hits = new SearchHits(in);
+        System.out.println("FetchSearchResult In - PROTOBUF");
+        FetchSearchResultProtoDef.FetchSearchResultProto proto = FetchSearchResultProtoDef.FetchSearchResultProto.parseFrom(in);
+        hits = new SearchHitsProtobuf(proto.getHits());
+    }
+
+    FetchSearchResultProtoDef.FetchSearchResultProto toProto() {
+        FetchSearchResultProtoDef.FetchSearchResultProto.Builder builder = FetchSearchResultProtoDef.FetchSearchResultProto.newBuilder()
+            .setHits(new SearchHitsProtobuf(hits).toProto())
+            .setCounter(this.counter);
+        return builder.build();
     }
 
+    @Override
+    public void writeTo(StreamOutput out) throws IOException {
+        System.out.println("FetchSearchResult Out - PROTOBUF");
+        toProto().writeTo(out);
+    }
+
+    ////////////////////////////////////////////////
+    ////////////////////////////////////////////////
+    ////////////////////////////////////////////////
+
     public FetchSearchResult(ShardSearchContextId id, SearchShardTarget shardTarget) {
         this.contextId = id;
         setSearchShardTarget(shardTarget);
@@ -103,10 +128,4 @@ public FetchSearchResult initCounter() {
     public int counterGetAndIncrement() {
         return counter++;
     }
-
-    @Override
-    public void writeTo(StreamOutput out) throws IOException {
-        contextId.writeTo(out);
-        hits.writeTo(out);
-    }
 }
diff --git a/server/src/main/java/org/opensearch/transport/protobuf/SearchHitsProtobuf.java b/server/src/main/java/org/opensearch/transport/protobuf/SearchHitsProtobuf.java
index 413801c732922..560ab5560a5e8 100644
--- a/server/src/main/java/org/opensearch/transport/protobuf/SearchHitsProtobuf.java
+++ b/server/src/main/java/org/opensearch/transport/protobuf/SearchHitsProtobuf.java
@@ -59,7 +59,7 @@ public void fromProtobufStream(StreamInput in) throws IOException {
         fromProto(proto);
     }
 
-    SearchHitsProto toProto() {
+    public SearchHitsProto toProto() {
         SearchHitsProto.Builder builder = SearchHitsProto.newBuilder().setMaxScore(maxScore);
 
         for (SearchHit hit : hits) {