diff --git a/backend/controllers/officialTournamentController.js b/backend/controllers/officialTournamentController.js
index 99b3ab53..c94f3054 100755
--- a/backend/controllers/officialTournamentController.js
+++ b/backend/controllers/officialTournamentController.js
@@ -16,6 +16,20 @@ export const saveTournamentSuggestion = async (req, res) => {
   }
 };
 
+export const reimportOfficialTournament = async (req, res) => {
+  try {
+    const { authcode: userToken } = req.headers;
+    const { clubId, id } = req.params;
+    await checkAccess(userToken, clubId);
+    const result = await officialTournamentService.reimportOfficialTournament(clubId, id);
+    if (!result) return res.status(404).json({ error: 'Turnier nicht gefunden.' });
+    return res.json(result);
+  } catch (error) {
+    console.error('[reimportOfficialTournament] Error:', error);
+    return res.status(error.status || 500).json({ error: error.message || 'Turnierdaten konnten nicht aktualisiert werden.' });
+  }
+};
+
 export const updateOfficialTournament = async (req, res) => {
   try {
     const { authcode: userToken } = req.headers;
diff --git a/backend/routes/officialTournamentRoutes.js b/backend/routes/officialTournamentRoutes.js
index 05a5babf..cbbd54a4 100755
--- a/backend/routes/officialTournamentRoutes.js
+++ b/backend/routes/officialTournamentRoutes.js
@@ -11,7 +11,7 @@ import {
   listClubParticipations,
   updateParticipantStatus,
   autoRegisterOfficialTournamentParticipants
-  , listTacticPlans, saveTacticPlan, deleteTacticPlan, saveTournamentSuggestion
+  , listTacticPlans, saveTacticPlan, deleteTacticPlan, saveTournamentSuggestion, reimportOfficialTournament
 } from '../controllers/officialTournamentController.js';
 import { fetchTournamentSuggestions, listTournamentSuggestions, updateTournamentSuggestion } from '../controllers/tournamentSuggestionController.js';
 
@@ -31,6 +31,7 @@ router.get('/:clubId/:tournamentId/tactics', listTacticPlans);
 router.post('/:clubId/:tournamentId/tactics', saveTacticPlan);
 router.patch('/:clubId/:tournamentId/tactics/:planId', saveTacticPlan);
 router.delete('/:clubId/:tournamentId/tactics/:planId', deleteTacticPlan);
+router.post('/:clubId/:id/reimport', reimportOfficialTournament);
 router.get('/:clubId/:id', getParsedTournament);
 router.patch('/:clubId/:id', updateOfficialTournament);
 router.delete('/:clubId/:id', deleteOfficialTournament);
diff --git a/backend/services/officialTournamentService.js b/backend/services/officialTournamentService.js
index 587c459e..d2a8b49b 100755
--- a/backend/services/officialTournamentService.js
+++ b/backend/services/officialTournamentService.js
@@ -96,6 +96,18 @@ class OfficialTournamentService {
     return repaired;
   }
 
+  async reimportOfficialTournament(clubId, tournamentId) {
+    const tournament = await OfficialTournament.findOne({ where: { id: tournamentId, clubId } });
+    if (!tournament) return null;
+    const updatedCount = await this.repairTournamentFromSource(clubId, tournament);
+    if (!tournament.sourceUrl) {
+      const error = new Error('Für dieses Turnier ist keine myTischtennis-Quelle hinterlegt.');
+      error.status = 400;
+      throw error;
+    }
+    return { id: String(tournament.id), updatedCount };
+  }
+
   async saveTournamentSuggestion(clubId, suggestionId) {
     const suggestion = await TournamentSuggestion.findOne({ where: { id: suggestionId, clubId } });
     if (!suggestion) return null;
diff --git a/frontend/src/views/OfficialTournaments.vue b/frontend/src/views/OfficialTournaments.vue
index 6072a330..20294d4a 100755
--- a/frontend/src/views/OfficialTournaments.vue
+++ b/frontend/src/views/OfficialTournaments.vue
@@ -232,6 +232,9 @@
             @click="generateMembersPdf">
             {{ $t('officialTournaments.pdfForSelectedMembers') }}
           </button>
+          <button class="btn-secondary" :disabled="reimporting" @click="reimportTournament">
+            {{ reimporting ? 'Aktualisiert …' : 'Daten aktualisieren' }}
+          </button>
           <button
             v-if="primaryHeaderAction !== 'auto-register'"
             class="btn-secondary"
@@ -565,6 +568,7 @@
       <div class="calendar-entry-empty">
         <h3>Kalendereintrag geöffnet</h3>
         <p>Für dieses Turnier sind noch keine Konkurrenzen hinterlegt. Importiere eine Ausschreibung als PDF, sobald du Teilnehmer oder Ergebnisse verwalten möchtest.</p>
+        <button class="btn-secondary" :disabled="reimporting" @click="reimportTournament">{{ reimporting ? 'Aktualisiert …' : 'Daten aktualisieren' }}</button>
       </div>
     </div>
     <div v-else class="workspace-detail empty-workspace">
@@ -690,6 +694,7 @@ export default {
       editingTournamentId: null,
       editingTitle: '',
       autoRegistering: false,
+      reimporting: false,
       suggestions: [], fetchingSuggestions: false, suggestionError: '',
       suggestionSearch: '', suggestionStatusFilter: 'new',
       tacticPlans: [], tacticPlan: null, tacticPlansSnapshot: '', tacticsLoading: false, tacticSaving: false, tacticsError: '', tacticTournamentId: null, tacticLoadToken: 0, reloadToken: 0,
@@ -1678,6 +1683,16 @@ export default {
         this.workspaceTab = 'saved';
       } catch (error) { this.suggestionError = getSafeErrorMessage(error, 'Der Vorschlag konnte nicht gespeichert werden.'); }
     },
+    async reimportTournament() {
+      if (!this.uploadedId || this.reimporting) return;
+      this.reimporting = true;
+      try {
+        const response = await apiClient.post(`/official-tournaments/${this.currentClub}/${this.uploadedId}/reimport`);
+        await Promise.all([this.reload(), this.loadList()]);
+        await this.showInfo('Turnierdaten aktualisiert', `${response.data?.updatedCount || 0} Datenbereiche wurden aus myTischtennis aktualisiert.`, '', 'success');
+      } catch (error) { await this.showInfo('Aktualisierung nicht möglich', getSafeErrorMessage(error, 'Die Turnierdaten konnten nicht aktualisiert werden.'), '', 'error'); }
+      finally { this.reimporting = false; }
+    },
     buildParticipationMap(entries) {
       const map = {};
       for (const e of entries) {