diff --git a/frontend/Front.jsx b/frontend/Front.jsx
index 4320953..53f56d5 100644
--- a/frontend/Front.jsx
+++ b/frontend/Front.jsx
@@ -429,9 +429,22 @@ export default function PickupDeliveryUI() {
     if (!deliveryRequestSet) return null;
     if (selectedCourierId === null) return deliveryRequestSet;
 
-    const targetId = String(selectedCourierId);
     const assignments = effectiveAssignments || {};
 
+    if (selectedCourierId === 'unassigned') {
+      const filteredDemands = (deliveryRequestSet.demands || []).filter((demand) => {
+        const assignedCourierId = assignments[demand.id];
+        return assignedCourierId === null || assignedCourierId === undefined;
+      });
+
+      return {
+        ...deliveryRequestSet,
+        demands: filteredDemands,
+      };
+    }
+
+    const targetId = String(selectedCourierId);
+
     const filteredDemands = (deliveryRequestSet.demands || []).filter((demand) => {
       const assignedCourierId = assignments[demand.id];
       if (assignedCourierId === null || assignedCourierId === undefined) {
@@ -574,11 +587,14 @@ export default function PickupDeliveryUI() {
 
     try {
       setIsCalculatingTour(true);
+      const currentAssignment = demandAssignments?.[demandId];
+      const contextCourier =
+        selectedCourierId === 'unassigned' ? null : selectedCourierId;
       await apiService.updateCourierAssignment({
         demandId,
         newCourierId: targetCourierId !== null && targetCourierId !== undefined ? String(targetCourierId) : null,
-        oldCourierId: (demandAssignments?.[demandId] ?? selectedCourierId ?? null) !== null
-          ? String(demandAssignments?.[demandId] ?? selectedCourierId)
+        oldCourierId: (currentAssignment ?? contextCourier ?? null) !== null
+          ? String(currentAssignment ?? contextCourier)
           : null,
         deliveryIndex: null,
       });
@@ -1267,7 +1283,7 @@ export default function PickupDeliveryUI() {
                         <TourTabs
                           tours={tourData}
                           deliveryRequestSet={filteredDeliveryRequestSet}
-                          onTourSelect={(tour) => setSelectedCourierId(tour?.courierId || null)}
+                            onTourSelect={(tour) => setSelectedCourierId(tour?.courierId ?? null)}
                           demandAssignments={effectiveAssignments}
                           unassignedDemands={effectiveUnassignedDemands}
                           onReassignDemand={handleReassignDemand}
diff --git a/frontend/src/components/Icon.jsx b/frontend/src/components/Icon.jsx
index 6add0ca..7c860a0 100644
--- a/frontend/src/components/Icon.jsx
+++ b/frontend/src/components/Icon.jsx
@@ -38,6 +38,8 @@ const iconMap = {
   warning: faTriangleExclamation,
   success: faCircleCheck,
   error: faCircleXmark,
+  na: faCircleXmark,
+  'x-circle': faCircleXmark,
   info: faCircleInfo,
   rocket: faRocket,
   box: faBox,
diff --git a/frontend/src/components/TourTabs.jsx b/frontend/src/components/TourTabs.jsx
index c985a82..b3a1bb3 100644
--- a/frontend/src/components/TourTabs.jsx
+++ b/frontend/src/components/TourTabs.jsx
@@ -66,6 +66,8 @@ export default function TourTabs({
     if (onTourSelect) {
       if (courierId === null) {
         onTourSelect(null); // Vue globale : afficher tous les tours
+      } else if (courierId === 'unassigned') {
+        onTourSelect({ courierId: 'unassigned' });
       } else {
         const selectedTour = displayTours.find(t => t.courierId === courierId);
         onTourSelect(selectedTour);
@@ -142,6 +144,19 @@ export default function TourTabs({
     return Array.from(union.values());
   }, [allDemands, demandAssignments, unassignedDemands]);
 
+  const hasUnassigned = derivedUnassigned.length > 0;
+
+  // Si l'onglet N/A est sélectionné mais qu'il n'y a plus de demandes non assignées,
+  // revenir automatiquement à la vue globale pour éviter un onglet vide.
+  useEffect(() => {
+    if (selectedCourierId === 'unassigned' && !hasUnassigned) {
+      setSelectedCourierId(null);
+      if (onTourSelect) {
+        onTourSelect(null);
+      }
+    }
+  }, [selectedCourierId, hasUnassigned, onTourSelect]);
+
   const demandsForCourier = (courierId) =>
     allDemands.filter((d) => (demandAssignments?.[d.id] ?? null) === courierId);
 
@@ -184,9 +199,12 @@ export default function TourTabs({
     setShowAssignModal(false);
   };
 
-  const handleRemove = async (demand) => {
+  const handleRemove = async (demandOrId) => {
     if (!onRemoveDemand) return;
-    await onRemoveDemand(demand.id);
+    const demandId =
+      demandOrId && typeof demandOrId === 'object' ? demandOrId.id : demandOrId;
+    if (!demandId) return;
+    await onRemoveDemand(demandId);
   };
 
   return (
@@ -234,6 +252,22 @@ export default function TourTabs({
             Vue globale
           </span>
         </button>
+        {/* Onglet Non assignées (affiché uniquement s'il existe des demandes non assignées) */}
+        {hasUnassigned && (
+          <button
+            onClick={() => handleTabClick('unassigned')}
+            className={`px-4 py-3 font-medium whitespace-nowrap transition-colors flex-shrink-0 ${
+              selectedCourierId === 'unassigned'
+                ? 'border-b-2 border-blue-500 text-blue-400'
+                : 'text-gray-400 hover:text-white hover:bg-gray-700/50'
+            }`}
+          >
+            <span className="inline-flex items-center gap-2">
+              <Icon name="na" className="text-blue-400" />
+              N/A
+            </span>
+          </button>
+        )}
         
         {/* Onglets par coursier */}
         {displayTours.map(tour => (
@@ -278,6 +312,22 @@ export default function TourTabs({
               />
             )}
           </div>
+        ) : selectedCourierId === 'unassigned' && hasUnassigned ? (
+          <div className="space-y-4">
+            <div className="flex items-center gap-2">
+              <span className="w-3 h-3 rounded-full bg-gray-500" />
+              <h3 className="text-lg font-semibold text-white">Demandes non assignées</h3>
+            </div>
+            <DemandAssignmentTable
+              demands={derivedUnassigned}
+              assignments={demandAssignments}
+              courierOptions={courierOptions}
+              onReassign={handleRequestReassign}
+              onRemove={handleRemove}
+              isBusy={isBusy}
+              emptyMessage="Aucune demande non assignée"
+            />
+          </div>
         ) : (
           <div className="space-y-4">
             <div className="flex items-center justify-between">