diff --git a/backend/controllers/officialTournamentController.js b/backend/controllers/officialTournamentController.js
index f840c732..2eaa7884 100644
--- a/backend/controllers/officialTournamentController.js
+++ b/backend/controllers/officialTournamentController.js
@@ -1,5 +1,6 @@
 import { checkAccess } from '../utils/userUtils.js';
 import officialTournamentService from '../services/officialTournamentService.js';
+import clickTtTournamentRegistrationService from '../services/clickTtTournamentRegistrationService.js';
 
 export const updateOfficialTournament = async (req, res) => {
   try {
@@ -116,3 +117,26 @@ export const deleteOfficialTournament = async (req, res) => {
     res.status(500).json({ error: 'Failed to delete tournament' });
   }
 };
+
+export const autoRegisterOfficialTournamentParticipants = async (req, res) => {
+  try {
+    const { authcode: userToken } = req.headers;
+    const { clubId, id: tournamentId } = req.params;
+    const userId = req.user?.id;
+
+    const result = await clickTtTournamentRegistrationService.autoRegisterPendingParticipants({
+      userToken,
+      userId,
+      clubId,
+      tournamentId
+    });
+
+    res.status(200).json(result);
+  } catch (e) {
+    console.error('[autoRegisterOfficialTournamentParticipants] Error:', e);
+    res.status(e.statusCode || e.status || 500).json({
+      success: false,
+      error: e.message || 'Teilnehmer konnten nicht automatisch in click-TT angemeldet werden'
+    });
+  }
+};
diff --git a/backend/routes/officialTournamentRoutes.js b/backend/routes/officialTournamentRoutes.js
index a61a18aa..2177e8b5 100644
--- a/backend/routes/officialTournamentRoutes.js
+++ b/backend/routes/officialTournamentRoutes.js
@@ -1,7 +1,17 @@
 import express from 'express';
 import multer from 'multer';
 import { authenticate } from '../middleware/authMiddleware.js';
-import { uploadTournamentPdf, getParsedTournament, listOfficialTournaments, deleteOfficialTournament, updateOfficialTournament, upsertCompetitionMember, listClubParticipations, updateParticipantStatus } from '../controllers/officialTournamentController.js';
+import {
+  uploadTournamentPdf,
+  getParsedTournament,
+  listOfficialTournaments,
+  deleteOfficialTournament,
+  updateOfficialTournament,
+  upsertCompetitionMember,
+  listClubParticipations,
+  updateParticipantStatus,
+  autoRegisterOfficialTournamentParticipants
+} from '../controllers/officialTournamentController.js';
 
 const router = express.Router();
 const upload = multer({ storage: multer.memoryStorage() });
@@ -16,7 +26,7 @@ router.patch('/:clubId/:id', updateOfficialTournament);
 router.delete('/:clubId/:id', deleteOfficialTournament);
 router.post('/:clubId/:id/participation', upsertCompetitionMember);
 router.post('/:clubId/:id/status', updateParticipantStatus);
+router.post('/:clubId/:id/auto-register', autoRegisterOfficialTournamentParticipants);
 
 export default router;
 
-
diff --git a/backend/services/clickTtTournamentRegistrationService.js b/backend/services/clickTtTournamentRegistrationService.js
new file mode 100644
index 00000000..e5e29abc
--- /dev/null
+++ b/backend/services/clickTtTournamentRegistrationService.js
@@ -0,0 +1,347 @@
+import { chromium } from 'playwright';
+import Club from '../models/Club.js';
+import ClickTtAccount from '../models/ClickTtAccount.js';
+import OfficialTournament from '../models/OfficialTournament.js';
+import OfficialCompetition from '../models/OfficialCompetition.js';
+import OfficialCompetitionMember from '../models/OfficialCompetitionMember.js';
+import Member from '../models/Member.js';
+import HttpError from '../exceptions/HttpError.js';
+import { checkAccess } from '../utils/userUtils.js';
+import clickTtPlayerRegistrationService from './clickTtPlayerRegistrationService.js';
+
+function normalizeText(value) {
+  return String(value || '')
+    .normalize('NFKC')
+    .replace(/\s+/g, ' ')
+    .trim()
+    .toLowerCase();
+}
+
+function formatGermanDate(value) {
+  if (!value) return '';
+  const date = value instanceof Date ? value : new Date(value);
+  if (Number.isNaN(date.getTime())) return '';
+  const day = String(date.getDate()).padStart(2, '0');
+  const month = String(date.getMonth() + 1).padStart(2, '0');
+  const year = String(date.getFullYear());
+  return `${day}.${month}.${year}`;
+}
+
+function parseDmyRange(value) {
+  const matches = String(value || '').match(/(\d{1,2}\.\d{1,2}\.\d{4})/g) || [];
+  return {
+    from: matches[0] || '',
+    to: matches[1] || matches[0] || ''
+  };
+}
+
+class ClickTtTournamentRegistrationService {
+  async autoRegisterPendingParticipants({ userToken, userId, clubId, tournamentId }) {
+    await checkAccess(userToken, clubId);
+
+    const club = await Club.findByPk(clubId, {
+      attributes: ['id', 'name', 'associationMemberNumber']
+    });
+    const associationMemberNumber = String(
+      club?.associationMemberNumber ??
+      club?.association_member_number ??
+      club?.dataValues?.associationMemberNumber ??
+      club?.dataValues?.association_member_number ??
+      ''
+    ).trim();
+    if (!associationMemberNumber) {
+      throw new HttpError(
+        `Für den Verein "${club?.name ?? clubId}" ist keine Verbands-Mitgliedsnummer hinterlegt.`,
+        400
+      );
+    }
+
+    const account = await ClickTtAccount.findOne({ where: { userId } });
+    if (!account?.username) {
+      throw new HttpError('Kein HTTV-/click-TT-Account für diesen Benutzer hinterlegt', 400);
+    }
+
+    const tournament = await OfficialTournament.findOne({
+      where: { id: tournamentId, clubId },
+      include: [{
+        model: OfficialCompetition,
+        as: 'competitions',
+        required: false,
+        include: [{
+          model: OfficialCompetitionMember,
+          as: 'members',
+          required: false,
+          where: {
+            wants: true,
+            registered: false,
+            participated: false
+          },
+          include: [{
+            model: Member,
+            as: 'member',
+            required: true
+          }]
+        }]
+      }]
+    });
+
+    if (!tournament) {
+      throw new HttpError('Offizielles Turnier nicht gefunden', 404);
+    }
+
+    const competitionGroups = (tournament.competitions || [])
+      .map((competition) => ({
+        competition,
+        entries: (competition.members || [])
+          .filter((entry) => entry.member?.active)
+      }))
+      .filter((group) => group.entries.length > 0);
+
+    if (!competitionGroups.length) {
+      throw new HttpError('Keine offenen Turnieranmeldungen mit Status "möchte teilnehmen" gefunden', 400);
+    }
+
+    const password = account.getPassword?.() || null;
+    const savedStorageState = account.playwrightStorageState ?? null;
+    if (!savedStorageState && !password) {
+      throw new HttpError('Für die Click-TT-Automatisierung wird ein gespeichertes HTTV-/click-TT-Passwort oder eine gültige Browser-Session benötigt', 400);
+    }
+
+    let browser = null;
+    let context = null;
+    let page = null;
+    const trace = [];
+
+    try {
+      browser = await chromium.launch({
+        headless: true,
+        args: ['--no-sandbox', '--disable-dev-shm-usage']
+      });
+      context = savedStorageState
+        ? await browser.newContext({ storageState: savedStorageState })
+        : await browser.newContext();
+      page = await context.newPage();
+      clickTtPlayerRegistrationService._attachNetworkLogging(page, trace);
+
+      await clickTtPlayerRegistrationService._openAuthenticatedClickTt(page, {
+        username: account.username,
+        password,
+        trace
+      });
+      await clickTtPlayerRegistrationService._selectClubContext(page, associationMemberNumber, trace);
+
+      const processedCompetitions = [];
+      for (const group of competitionGroups) {
+        await this._openTournamentSearch(page, trace);
+        await this._filterTournamentSearch(page, tournament, trace);
+        await this._openCompetitionRegistration(page, tournament, group.competition, trace);
+        await this._selectCompetitionMembers(page, group.entries, trace);
+        await this._openControlStep(page, trace);
+        await this._verifyControlPage(page, group.entries);
+        await clickTtPlayerRegistrationService._clickByText(page, 'Speichern', trace);
+        await page.waitForLoadState('domcontentloaded');
+
+        for (const entry of group.entries) {
+          entry.registered = true;
+          await entry.save({ fields: ['registered'] });
+        }
+
+        processedCompetitions.push({
+          competitionId: group.competition.id,
+          competitionName: group.competition.ageClassCompetition || group.competition.altersklasseWettbewerb || '',
+          registeredMembers: group.entries.map((entry) => ({
+            memberId: entry.memberId,
+            name: `${entry.member.firstName} ${entry.member.lastName}`.trim(),
+            birthDate: entry.member.birthDate || ''
+          }))
+        });
+      }
+
+      account.playwrightStorageState = await context.storageState();
+      await account.save({ fields: ['playwrightStorageState'] });
+
+      return {
+        success: true,
+        message: `${processedCompetitions.reduce((sum, item) => sum + item.registeredMembers.length, 0)} Teilnehmer wurden automatisch in click-TT angemeldet.`,
+        competitions: processedCompetitions
+      };
+    } catch (error) {
+      throw error instanceof HttpError
+        ? error
+        : new HttpError(`Click-TT-Turnieranmeldung fehlgeschlagen: ${error.message || error}`, 500);
+    } finally {
+      if (context) {
+        try { await context.close(); } catch (_err) {}
+      }
+      if (browser) {
+        try { await browser.close(); } catch (_err) {}
+      }
+    }
+  }
+
+  async _openTournamentSearch(page, trace) {
+    await clickTtPlayerRegistrationService._dismissConsentOverlays(page, trace);
+    await clickTtPlayerRegistrationService._clickByText(page, 'Turniere', trace);
+    await page.waitForLoadState('domcontentloaded');
+    await clickTtPlayerRegistrationService._dismissConsentOverlays(page, trace);
+  }
+
+  async _filterTournamentSearch(page, tournament, trace) {
+    const federationSelect = page.locator('#federationsPopupButton, select[name="0.1.63.7.5.1"]').first();
+    if (await federationSelect.count()) {
+      const federationValue = await federationSelect.evaluate((select) => {
+        const options = Array.from(select.options || []);
+        const match = options.find((option) => /hess|hettv|httv/i.test(String(option.textContent || '')));
+        return match?.value || null;
+      });
+      if (federationValue) {
+        await federationSelect.selectOption(federationValue);
+      }
+    }
+
+    const range = parseDmyRange(tournament.eventDate);
+    const fromInput = page.locator('input[name="queryDateFrom"]').first();
+    if (await fromInput.count() && range.from) {
+      await fromInput.fill(range.from);
+    }
+    const toInput = page.locator('input[name="queryDateTo"]').first();
+    if (await toInput.count() && range.to) {
+      await toInput.fill(range.to);
+    }
+
+    if (await clickTtPlayerRegistrationService._hasTextTarget(page, 'filtern')) {
+      await clickTtPlayerRegistrationService._clickByText(page, 'filtern', trace);
+      await page.waitForLoadState('domcontentloaded');
+    }
+  }
+
+  async _openCompetitionRegistration(page, tournament, competition, trace) {
+    const competitionName = String(competition.ageClassCompetition || competition.altersklasseWettbewerb || '').trim();
+    if (!competitionName) {
+      throw new HttpError('Turnierkonkurrenz ohne Bezeichnung gefunden', 500);
+    }
+
+    const href = await page.locator('a').evaluateAll((anchors, criteria) => {
+      const normalize = (value) => String(value || '')
+        .normalize('NFKC')
+        .replace(/\s+/g, ' ')
+        .trim()
+        .toLowerCase();
+
+      const wantedCompetition = normalize(criteria.competitionName);
+      const wantedTournament = normalize(criteria.tournamentTitle);
+
+      for (const anchor of anchors) {
+        const text = normalize(anchor.textContent || '');
+        if (!text.includes(wantedCompetition)) continue;
+
+        const contextText = normalize(anchor.closest('tr, li, div, td')?.textContent || '');
+        if (wantedTournament && contextText && !contextText.includes(wantedTournament) && !text.includes(wantedTournament)) {
+          continue;
+        }
+
+        return anchor.getAttribute('href');
+      }
+
+      return null;
+    }, {
+      competitionName,
+      tournamentTitle: tournament.title || ''
+    });
+
+    if (!href) {
+      throw new HttpError(`Click-TT-Turnierkonkurrenz nicht gefunden: ${competitionName}`, 500);
+    }
+
+    clickTtPlayerRegistrationService._trace(trace, 'step', {
+      name: 'click',
+      label: competitionName,
+      selector: `a[href="${href}"]`
+    });
+    await page.locator(`a[href="${href}"]`).first().click();
+    await page.waitForLoadState('domcontentloaded');
+  }
+
+  async _selectCompetitionMembers(page, entries, trace) {
+    const unmatched = [];
+
+    for (const entry of entries) {
+      const expectedRow = {
+        fullName: normalizeText(`${entry.member.lastName}, ${entry.member.firstName}`),
+        fullNameAlt: normalizeText(`${entry.member.firstName} ${entry.member.lastName}`),
+        birthDate: formatGermanDate(entry.member.birthDate)
+      };
+
+      const matched = await page.locator('tr').evaluateAll((rows, criteria) => {
+        const normalize = (value) => String(value || '')
+          .normalize('NFKC')
+          .replace(/\s+/g, ' ')
+          .trim()
+          .toLowerCase();
+
+        for (let index = 0; index < rows.length; index += 1) {
+          const row = rows[index];
+          const rowText = normalize(row.textContent || '');
+          if (!rowText.includes(criteria.fullName) && !rowText.includes(criteria.fullNameAlt)) continue;
+          if (criteria.birthDate && !rowText.includes(normalize(criteria.birthDate))) continue;
+          return index;
+        }
+        return -1;
+      }, expectedRow);
+
+      if (matched < 0) {
+        unmatched.push(`${entry.member.firstName} ${entry.member.lastName} (${expectedRow.birthDate})`);
+        continue;
+      }
+
+      const row = page.locator('tr').nth(matched);
+      const checkbox = row.locator('input[type="checkbox"]:not([disabled])').first();
+      if (await checkbox.count()) {
+        if (!(await checkbox.isChecked().catch(() => false))) {
+          await checkbox.check();
+        }
+        continue;
+      }
+
+      const registerButton = row.locator('input[type="submit"], button, a').filter({ hasText: /anmelden|hinzufügen|melden/i }).first();
+      if (await registerButton.count()) {
+        await registerButton.click();
+        await page.waitForLoadState('domcontentloaded');
+        continue;
+      }
+
+      unmatched.push(`${entry.member.firstName} ${entry.member.lastName} (${expectedRow.birthDate})`);
+    }
+
+    if (unmatched.length) {
+      throw new HttpError(`Folgende Teilnehmer konnten auf der Click-TT-Turnierseite nicht ausgewählt werden: ${unmatched.join(', ')}`, 500);
+    }
+  }
+
+  async _openControlStep(page, trace) {
+    if (await clickTtPlayerRegistrationService._hasTextTarget(page, 'Weiter >>')) {
+      await clickTtPlayerRegistrationService._clickByText(page, 'Weiter >>', trace);
+      await page.waitForLoadState('domcontentloaded');
+      return;
+    }
+
+    if (normalizeText(await page.locator('body').innerText().catch(() => '')).includes('folgende spieler werden zum turnier angemeldet')) {
+      return;
+    }
+
+    throw new HttpError('Click-TT-Kontrollseite für die Turnieranmeldung nicht erreicht', 500);
+  }
+
+  async _verifyControlPage(page, entries) {
+    const bodyText = normalizeText(await page.locator('body').innerText().catch(() => ''));
+    for (const entry of entries) {
+      const name = normalizeText(`${entry.member.lastName}, ${entry.member.firstName}`);
+      const birthDate = formatGermanDate(entry.member.birthDate);
+      if (!bodyText.includes(name) || (birthDate && !bodyText.includes(normalizeText(birthDate)))) {
+        throw new HttpError(`Kontrollseite der Click-TT-Turnieranmeldung enthält nicht den erwarteten Teilnehmer ${entry.member.firstName} ${entry.member.lastName}`, 500);
+      }
+    }
+  }
+}
+
+export default new ClickTtTournamentRegistrationService();
diff --git a/frontend/src/views/OfficialTournaments.vue b/frontend/src/views/OfficialTournaments.vue
index 99f315f7..f9a28be5 100644
--- a/frontend/src/views/OfficialTournaments.vue
+++ b/frontend/src/views/OfficialTournaments.vue
@@ -125,6 +125,9 @@
       <div class="top-actions">
       <button class="btn-secondary" @click="openMemberDialog" :disabled="!parsed || !activeMembers.length">{{ $t('officialTournaments.selectMembers') }}</button>
       <button class="btn-primary" :disabled="!selectedMemberIds.length" @click="generateMembersPdf">{{ $t('officialTournaments.pdfForSelectedMembers') }}</button>
+      <button class="btn-primary" :disabled="!uploadedId || !pendingAutoRegistrationCount || autoRegistering" @click="autoRegisterParticipants">
+        {{ autoRegistering ? 'Anmeldung läuft...' : 'Automatisch anmelden' }}
+      </button>
     </div>
       <div class="tabs">
         <button :class="['tab', activeTab==='competitions' ? 'active' : '']" @click="activeTab='competitions'" :title="$t('officialTournaments.showCompetitions')">{{ $t('officialTournaments.competitions') }}</button>
@@ -444,6 +447,7 @@ export default {
       participationRange: 'all',
       editingTournamentId: null,
       editingTitle: '',
+      autoRegistering: false,
     };
   },
   computed: {
@@ -564,6 +568,11 @@ export default {
       }
       groups.sort((a, b) => this.collator.compare(a.memberName, b.memberName));
       return groups;
+    },
+    pendingAutoRegistrationCount() {
+      return Object.values(this.participationMap || {}).filter((entry) =>
+        entry?.wants && !entry?.registered && !entry?.participated
+      ).length;
     }
   },
   methods: {
@@ -869,6 +878,31 @@ export default {
         await this.showInfo('Fehler', message, '', 'error');
       }
     },
+    async autoRegisterParticipants() {
+      if (!this.uploadedId || !this.pendingAutoRegistrationCount || this.autoRegistering) return;
+      this.autoRegistering = true;
+      try {
+        const response = await apiClient.post(
+          `/official-tournaments/${this.currentClub}/${this.uploadedId}/auto-register`
+        );
+        await this.reload();
+        await this.showInfo(
+          'Erfolg',
+          response?.data?.message || 'Die gewünschten Teilnehmer wurden automatisch in click-TT angemeldet.',
+          '',
+          'success'
+        );
+      } catch (error) {
+        await this.showInfo(
+          'Fehler',
+          getSafeMessage(error) || 'Die automatische click-TT-Anmeldung ist fehlgeschlagen.',
+          getSafeErrorMessage(error),
+          'error'
+        );
+      } finally {
+        this.autoRegistering = false;
+      }
+    },
     async reload() {
       if (!this.uploadedId) return;
       const t = await apiClient.get(`/official-tournaments/${this.currentClub}/${this.uploadedId}`);
@@ -1534,4 +1568,3 @@ th, td { border-bottom: 1px solid var(--border-color); padding: 0.5rem; text-ali
 }
 </style>
 
-