diff --git a/.phase4-state.json b/.phase4-state.json
index e926df6..ec24560 100644
--- a/.phase4-state.json
+++ b/.phase4-state.json
@@ -3,8 +3,9 @@
     "admin-user-management",
     "csv-export-time-entries",
     "error-boundary",
-    "dashboard-charts"
+    "dashboard-charts",
+    "api-client-phase4"
   ],
-  "current_feature": "api-client-phase4",
+  "current_feature": "router-with-admin",
   "started_at": "2026-05-23T05:10:51.482879"
 }
\ No newline at end of file
diff --git a/GENERATION_LOG.md b/GENERATION_LOG.md
index a7f7317..727249d 100644
--- a/GENERATION_LOG.md
+++ b/GENERATION_LOG.md
@@ -515,3 +515,15 @@ undefined
 - `05:17:24` **INFO**     wrote 3845 chars in 34.1s (attempt 1)
 - `05:17:24` **INFO** Running tsc --noEmit on api…
 - `05:17:26` **INFO**   tsc clean ✓
+- `05:17:26` **INFO**   Committed feature api-client-phase4
+- `05:17:26` **INFO**   Pushed: rc=0
+
+## Phase-3 Feature: router-with-admin (2026-05-23 05:17:26)
+
+- `05:17:26` **INFO** Description: App.tsx +/admin route + Nav admin-link bei admin-role
+- `05:17:26` **INFO**   Generating apps/web/src/App.tsx (ERWEITERT — füge Route /admin (AdminUsers component) hinzu. Auth-Check…)
+- `05:17:50` **INFO**     wrote 2745 chars in 24.1s (attempt 1)
+- `05:17:50` **INFO**   Generating apps/web/src/components/Nav.tsx (ERWEITERT — Nav zeigt Admin-Link nur wenn current user role='admin'. u…)
+- `05:18:20` **INFO**     wrote 3580 chars in 29.7s (attempt 1)
+- `05:18:20` **INFO** Running tsc --noEmit on api…
+- `05:18:21` **INFO**   tsc clean ✓
diff --git a/apps/web/src/App.tsx b/apps/web/src/App.tsx
index 28066e6..47b0b51 100644
--- a/apps/web/src/App.tsx
+++ b/apps/web/src/App.tsx
@@ -5,6 +5,7 @@ import TimeEntries from "./pages/TimeEntries"
 import Customers from "./pages/Customers"
 import Projects from "./pages/Projects"
 import Profile from "./pages/Profile"
+import AdminUsers from "./pages/AdminUsers"
 import Nav from "./components/Nav"
 import { ToastProvider } from "./components/Toast"
 import ErrorBoundary from "./components/ErrorBoundary"
@@ -35,6 +36,22 @@ const authCheck = async () => {
   }
 }
 
+const adminCheck = async () => {
+  try {
+    const user = await api.getMe()
+    if (user.role !== "admin") {
+      throw redirect({ to: "/" })
+    }
+  } catch (error: any) {
+    if (error.status === 401) {
+      throw redirect({ to: "/login" })
+    } else if (error.status === 302 || error.status === 403) {
+      throw error
+    }
+    throw redirect({ to: "/" })
+  }
+}
+
 const indexRoute = createRoute({
   getParentRoute: () => rootRoute,
   path: "/",
@@ -70,13 +87,21 @@ const profileRoute = createRoute({
   component: Profile
 })
 
+const adminRoute = createRoute({
+  getParentRoute: () => rootRoute,
+  path: "/admin",
+  beforeLoad: adminCheck,
+  component: AdminUsers
+})
+
 const routeTree = rootRoute.addChildren([
   indexRoute,
   loginRoute,
   timeEntriesRoute,
   customersRoute,
   projectsRoute,
-  profileRoute
+  profileRoute,
+  adminRoute
 ])
 
 const router = createRouter({
diff --git a/apps/web/src/components/Nav.tsx b/apps/web/src/components/Nav.tsx
index 9d4de00..d75fe67 100644
--- a/apps/web/src/components/Nav.tsx
+++ b/apps/web/src/components/Nav.tsx
@@ -6,12 +6,19 @@ import {
   Users, 
   FolderKanban, 
   User, 
-  LogOut 
+  LogOut,
+  ShieldCheck
 } from "lucide-react"
+import { useQuery } from "@tanstack/react-query"
 import { api } from "../lib/api"
 
 export default function Nav() {
   const location = useLocation()
+  
+  const { data: user } = useQuery({
+    queryKey: ['me'],
+    queryFn: api.getMe
+  })
 
   const navItems = [
     { label: "Dashboard", to: "/", icon: Home },
@@ -60,6 +67,20 @@ export default function Nav() {
                   </Link>
                 )
               })}
+
+              {user?.role === 'admin' && (
+                <Link
+                  to="/admin"
+                  className={`flex items-center gap-2 px-3 py-2 rounded-md text-sm font-medium transition-colors ${
+                    location.pathname === "/admin"
+                      ? "bg-indigo-50 text-indigo-700"
+                      : "text-gray-600 hover:bg-gray-50 hover:text-gray-900"
+                  }`}
+                >
+                  <ShieldCheck className="w-4 h-4" />
+                  Admin
+                </Link>
+              )}
             </div>
           </div>