diff --git a/js/docx/smoke/api_table_row_pr/to_json.js b/js/docx/smoke/api_table_row_pr/to_json.js
new file mode 100644
index 00000000..727a9193
--- /dev/null
+++ b/js/docx/smoke/api_table_row_pr/to_json.js
@@ -0,0 +1,29 @@
+builder.CreateFile("docx");
+    let oDocument = Api.GetDocument();
+    let oParagraph = oDocument.GetElement(0);
+    let oTableStyle = oDocument.CreateStyle("CustomTableStyle", "table");
+        oTableStyle.SetName("My Custom Table Style");
+    let oTableRowPr = oTableStyle.GetTableRowPr();
+        oTableRowPr.SetHeight("atLeast", 720);
+    let jsonTableStyle = oTableStyle.ToJSON();
+        GlobalVariable["JSON_TableStyle"] = jsonTableStyle;
+        oParagraph.AddText(jsonTableStyle);
+builder.CloseFile();
+
+//////////////
+
+builder.CreateFile("docx");
+    let oDocument = Api.GetDocument();
+    let oParagraph = oDocument.GetElement(0);
+    let jsonTableStyle = GlobalVariable["JSON_TableStyle"];
+        oParagraph.AddText(jsonTableStyle);
+    let oTableStyle = oDocument.GetStyle("My Custom Table Style");
+    let oTable = Api.CreateTable(3, 3);
+        oTable.SetStyle(oTableStyle);
+        oDocument.Push(oTable);
+    let jsonTable = oTableStyle.ToJSON();
+    let oParagraph2 = Api.CreateParagraph();
+        oDocument.Push(oParagraph2);
+        oParagraph2.AddText(jsonTable);
+builder.SaveFile("docx", "TableStyleToJSON.docx");
+builder.CloseFile();
diff --git a/spec/docx/smoke/api_table_row_properties_spec.rb b/spec/docx/smoke/api_table_row_properties_spec.rb
index b455dc31..beb913dd 100644
--- a/spec/docx/smoke/api_table_row_properties_spec.rb
+++ b/spec/docx/smoke/api_table_row_properties_spec.rb
@@ -16,4 +16,11 @@
     docx = builder.build_and_parse('js/docx/smoke/api_table_row_pr/set_table_header.js')
     expect(docx.elements[1].properties.table_style.table_row_properties.table_header).to be_truthy
   end
+
+  it 'ApiTableRowPr | ToJson method' do
+    docx = builder.build_and_parse('js/docx/smoke/api_table_row_pr/to_json.js')
+    json = docx.elements[0].nonempty_runs.map(&:text).join
+    parsed_json = JSON.parse(json)
+    expect(parsed_json).to include('name' => 'My Custom Table Style')
+  end
 end