diff --git a/client/src/components/header/SubNavigation.vue b/client/src/components/header/SubNavigation.vue
index afcd424f..7250b767 100644
--- a/client/src/components/header/SubNavigation.vue
+++ b/client/src/components/header/SubNavigation.vue
@@ -15,6 +15,7 @@ export interface SubNavEntry {
   id: number;
   name: string;
   route: EntryOrExternalRoute;
+  dataCy?: string;
 }
 
 export interface Props {
@@ -86,7 +87,7 @@ const selectRoute = (current: SubNavEntry) => {
         :class="{ 'border-b-2 border-b-blue-900': isCurrentRoute(item.route) }"
       >
         <!-- todo: split by external / internal and align external links to the right -->
-        <SubNavItem :to="item.route" class="block py-3">
+        <SubNavItem :data-cy="item.dataCy" :to="item.route" class="block py-3">
           {{ item.name }}
         </SubNavItem>
       </li>
diff --git a/client/src/pages/competence/CompetenceParentPage.vue b/client/src/pages/competence/CompetenceParentPage.vue
index 170f2a85..4bbfea32 100644
--- a/client/src/pages/competence/CompetenceParentPage.vue
+++ b/client/src/pages/competence/CompetenceParentPage.vue
@@ -51,6 +51,7 @@ const items: SubNavEntry[] = [
     name: hasEvaluationFeedback.value
       ? t("a.Selbst- und Fremdeinschätzungen")
       : t("a.Selbsteinschätzungen"),
+    dataCy: "self-evaluation-and-feedback-navigation-link",
     route: selfEvaluationRoute,
   },
   { id: 3, name: t("a.Handlungskompetenzen"), route: competencesRoute },