diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index fcc7b8f3..79055271 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -180,6 +180,11 @@
     
     <!-- Dialog Manager -->
     <DialogManager />
+
+    <InternalTournamentStats
+      v-if="showInternalTournamentStatsDialog"
+      v-model="internalTournamentStatsDialogOpen"
+    />
     
     <footer class="app-footer">
       <div class="footer-content">
@@ -223,14 +228,17 @@ import BaseDialog from './components/BaseDialog.vue';
 import { buildInfoConfig, buildConfirmConfig } from './utils/dialogUtils.js';
 
 const DialogManager = defineAsyncComponent(() => import('./components/DialogManager.vue'));
+import InternalTournamentStats from './components/tournament/InternalTournamentStats.vue';
+
 export default {
   name: 'App',
   components: {
-    DialogManager
-  ,
-        BaseDialog,
-        InfoDialog,
-        ConfirmDialog},
+    DialogManager,
+    InternalTournamentStats,
+    BaseDialog,
+    InfoDialog,
+    ConfirmDialog,
+  },
   data() {
     return {
             // Dialog States
@@ -286,7 +294,22 @@ export default {
     },
     viewReloadKey() {
       return `${this.$route.fullPath}|${this.currentClub || 'no-club'}`;
-    }
+    },
+    internalTournamentStatsDialogOpen: {
+      get() {
+        return this.$store.state.internalTournamentStatsOpen;
+      },
+      set(v) {
+        this.$store.commit('setInternalTournamentStatsOpen', v);
+      },
+    },
+    showInternalTournamentStatsDialog() {
+      return (
+        this.isAuthenticated &&
+        !!this.currentClub &&
+        this.hasPermission('tournaments', 'read')
+      );
+    },
   },
   watch: {
     currentClub(newVal) {
diff --git a/frontend/src/components/tournament/InternalTournamentStats.vue b/frontend/src/components/tournament/InternalTournamentStats.vue
index 2384695a..664f6c0a 100644
--- a/frontend/src/components/tournament/InternalTournamentStats.vue
+++ b/frontend/src/components/tournament/InternalTournamentStats.vue
@@ -62,17 +62,17 @@
           </div>
           <div class="age-filter-column">
             <div class="age-filter-column-title">{{ $t('tournaments.internalStatsFilterGenderColumn') }}</div>
-            <div class="age-filter-checkboxes">
-              <label v-for="g in genderFilterOptions" :key="'g-' + g.mode" class="age-filter-item">
-                <input
-                  type="checkbox"
-                  :checked="selectedGenders.includes(g.mode)"
-                  :disabled="loading"
-                  @change="onGenderCheckboxChange(g.mode, $event.target.checked)"
-                />
-                <span>{{ g.label }}</span>
-              </label>
-            </div>
+            <label class="gender-select-label">
+              <select
+                v-model="genderScope"
+                class="gender-scope-select"
+                :disabled="loading"
+                @change="onGenderScopeChange"
+              >
+                <option value="all">{{ $t('tournaments.internalStatsGenderScopeAll') }}</option>
+                <option value="female">{{ $t('tournaments.internalStatsGenderScopeGirls') }}</option>
+              </select>
+            </label>
           </div>
         </div>
       </fieldset>
@@ -156,8 +156,8 @@ export default {
       },
       /** '9'|'11'|…|'19'|'adult' */
       selectedBandKeys: [],
-      /** 'female'|'open' */
-      selectedGenders: [],
+      /** 'all' = weiblich + offen; 'female' = nur Mädchen/Weiblich-Kanal */
+      genderScope: 'all',
       ageFilterInitialized: false,
       pendingResetAgeSelection: false,
     };
@@ -191,18 +191,15 @@ export default {
       }
       return [...byKey.values()].sort((a, b) => a.sortKey - b.sortKey);
     },
-    genderFilterOptions() {
-      return [
-        { mode: 'female', label: this.tournamentClassGenderLabelFromMode('female') },
-        { mode: 'open', label: this.tournamentClassGenderLabelFromMode('open') },
-      ];
+    effectiveGenderModes() {
+      return this.genderScope === 'female' ? ['female'] : ['female', 'open'];
     },
     effectiveAgeClassKeys() {
       const opts = this.stats.ageClassOptions || [];
       const valid = new Set(opts.map((o) => o.key));
       const keys = [];
       for (const bk of this.selectedBandKeys) {
-        for (const g of this.selectedGenders) {
+        for (const g of this.effectiveGenderModes) {
           const key = bk === 'adult' ? `tt|adult|${g}` : `tt|${bk}|${g}`;
           if (valid.has(key)) keys.push(key);
         }
@@ -214,7 +211,7 @@ export default {
     clubId() {
       this.ageFilterInitialized = false;
       this.selectedBandKeys = [];
-      this.selectedGenders = [];
+      this.genderScope = 'all';
       this.pendingResetAgeSelection = false;
       if (this.modelValue) this.load();
     },
@@ -289,32 +286,19 @@ export default {
       }
       this.load();
     },
-    onGenderCheckboxChange(mode, checked) {
-      if (checked) {
-        if (!this.selectedGenders.includes(mode)) {
-          this.selectedGenders = [...this.selectedGenders, mode];
-        }
-      } else {
-        this.selectedGenders = this.selectedGenders.filter((m) => m !== mode);
-      }
+    onGenderScopeChange() {
       this.load();
     },
     selectAllAgeKeys() {
       const opts = this.stats.ageClassOptions || [];
       this.selectedBandKeys = this.allBandKeysFromOptions(opts);
-      this.selectedGenders = ['female', 'open'];
+      this.genderScope = 'all';
       this.load();
     },
     selectNoAgeKeys() {
       this.selectedBandKeys = [];
-      this.selectedGenders = [];
       this.load();
     },
-    /** TT: nur Weiblich vs. Alle (offen) */
-    tournamentClassGenderLabelFromMode(genderMode) {
-      if (genderMode === 'female') return this.$t('tournaments.tournamentClassGenderFemale');
-      return this.$t('tournaments.tournamentClassGenderOpen');
-    },
     formatBandOnly(b) {
       if (!b) return '';
       if (b.band === 'youth' && b.bandNum != null) return `J${b.bandNum}`;
@@ -335,14 +319,15 @@ export default {
       const bandLabels = this.bandOptions
         .filter((b) => this.selectedBandKeys.includes(b.bandKey))
         .map((b) => this.formatBandOnly(b));
-      const genderLabels = this.selectedGenders.map((m) => this.tournamentClassGenderLabelFromMode(m));
+      const genderLabel =
+        this.genderScope === 'female'
+          ? this.$t('tournaments.internalStatsGenderScopeGirls')
+          : this.$t('tournaments.internalStatsGenderScopeAll');
       const parts = [];
       if (bandLabels.length) {
         parts.push(`${this.$t('tournaments.internalStatsFilterAgeBands')}: ${bandLabels.join(', ')}`);
       }
-      if (genderLabels.length) {
-        parts.push(`${this.$t('tournaments.internalStatsFilterGenderColumn')}: ${genderLabels.join(', ')}`);
-      }
+      parts.push(`${this.$t('tournaments.internalStatsFilterGenderColumn')}: ${genderLabel}`);
       return parts.length ? `${this.$t('tournaments.internalStatsAgeFilter')}: ${parts.join(' · ')}` : '';
     },
     exportPdf() {
@@ -486,12 +471,12 @@ export default {
         const opts = this.stats.ageClassOptions || [];
         if (this.pendingResetAgeSelection) {
           this.selectedBandKeys = this.allBandKeysFromOptions(opts);
-          this.selectedGenders = ['female', 'open'];
+          this.genderScope = 'all';
           this.pendingResetAgeSelection = false;
           this.ageFilterInitialized = true;
         } else if (!this.ageFilterInitialized && opts.length) {
           this.selectedBandKeys = this.allBandKeysFromOptions(opts);
-          this.selectedGenders = ['female', 'open'];
+          this.genderScope = 'all';
           this.ageFilterInitialized = true;
         }
       } catch (e) {
@@ -608,6 +593,22 @@ export default {
   margin-bottom: 0.4rem;
 }
 
+.gender-select-label {
+  display: block;
+  margin: 0;
+}
+
+.gender-scope-select {
+  width: 100%;
+  max-width: 14rem;
+  padding: 0.4rem 0.55rem;
+  border-radius: 6px;
+  border: 1px solid var(--border-color, #d1d5db);
+  font-size: 0.88rem;
+  background: #fff;
+  color: inherit;
+}
+
 .age-filter-actions {
   display: flex;
   gap: 0.75rem;
diff --git a/frontend/src/i18n/locales/de-CH.json b/frontend/src/i18n/locales/de-CH.json
index c7c3b8e6..b974d831 100644
--- a/frontend/src/i18n/locales/de-CH.json
+++ b/frontend/src/i18n/locales/de-CH.json
@@ -179,6 +179,10 @@
     "internalStatsOpenButton": "Turnierstatistik (Einzel)",
     "internalStatsExportPdf": "Als PDF exportieren",
     "internalStatsAgeFilter": "Altersklassä & Gschlächt (Einzel)",
+    "internalStatsFilterAgeBands": "Altersklassä",
+    "internalStatsFilterGenderColumn": "Gschlächt",
+    "internalStatsGenderScopeAll": "Alli",
+    "internalStatsGenderScopeGirls": "Mädchen",
     "tournamentClassGenderFemale": "Weiblich",
     "tournamentClassGenderOpen": "Alli",
     "internalStatsTtAdult": "Erwachsene",
diff --git a/frontend/src/i18n/locales/de-extended.json b/frontend/src/i18n/locales/de-extended.json
index cdcee78e..5897b76e 100644
--- a/frontend/src/i18n/locales/de-extended.json
+++ b/frontend/src/i18n/locales/de-extended.json
@@ -410,6 +410,10 @@
     "internalStatsOpenButton": "Turnierstatistik (Einzel)",
     "internalStatsExportPdf": "Als PDF exportieren",
     "internalStatsAgeFilter": "Altersklassen & Geschlecht (Einzel)",
+    "internalStatsFilterAgeBands": "Altersklassen",
+    "internalStatsFilterGenderColumn": "Geschlecht",
+    "internalStatsGenderScopeAll": "Alle",
+    "internalStatsGenderScopeGirls": "Mädchen",
     "tournamentClassGenderFemale": "Weiblich",
     "tournamentClassGenderOpen": "Alle",
     "internalStatsTtAdult": "Erwachsene",
diff --git a/frontend/src/i18n/locales/de.json b/frontend/src/i18n/locales/de.json
index 79fc6646..b1acb459 100644
--- a/frontend/src/i18n/locales/de.json
+++ b/frontend/src/i18n/locales/de.json
@@ -704,6 +704,8 @@
     "internalStatsAgeFilter": "Altersklassen & Geschlecht (Einzel)",
     "internalStatsFilterAgeBands": "Altersklassen",
     "internalStatsFilterGenderColumn": "Geschlecht",
+    "internalStatsGenderScopeAll": "Alle",
+    "internalStatsGenderScopeGirls": "Mädchen",
     "tournamentClassGenderFemale": "Weiblich",
     "tournamentClassGenderOpen": "Alle",
     "internalStatsTtAdult": "Erwachsene",
@@ -717,7 +719,7 @@
     "internalStatsLast6Months": "Letzte 6 Monate",
     "internalStatsLast3Months": "Letzte 3 Monate",
     "internalStatsTournamentsInPeriod": "{count} Turnier(e) im Zeitraum (ohne Minimeisterschaften).",
-    "internalStatsPointsExplain": "Wertung: Pro Gruppe wird die Platzierung als Prozentzahl ausgedrückt (bei N Teilnehmern mit Platzierung: 1. = 100 %, Letzter = 0 %, dazwischen linear; gleiche Platzierung = gleicher Wert). N umfasst alle Platzierten in der Gruppe (inkl. Gäste). Bei nur einem Teilnehmer: 100 %. Wer die K.-o.-Runde erreicht, erhält den höchsten Gruppenwert der Klasse plus 1, danach je gewonnenes K.-o.-Spiel einen weiteren Punkt. Nur Vereinsmitglieder (Einzel). Die Filter J9–J19 / Erwachsene und Weiblich/Alle beziehen sich auf das jeweilige Mitglied (Geburtsdatum und Geschlecht laut Vereinsdaten), nicht auf die Bezeichnung der Turnierklasse.",
+    "internalStatsPointsExplain": "Wertung: Pro Gruppe wird die Platzierung als Prozentzahl ausgedrückt (bei N Teilnehmern mit Platzierung: 1. = 100 %, Letzter = 0 %, dazwischen linear; gleiche Platzierung = gleicher Wert). N umfasst alle Platzierten in der Gruppe (inkl. Gäste). Bei nur einem Teilnehmer: 100 %. Wer die K.-o.-Runde erreicht, erhält den höchsten Gruppenwert der Klasse plus 1, danach je gewonnenes K.-o.-Spiel einen weiteren Punkt. Nur Vereinsmitglieder (Einzel). Die Filter J9–J19 / Erwachsene und Geschlecht („Alle“ = Weiblich- und Offen-Kanal, „Mädchen“ = nur Weiblich) beziehen sich auf das jeweilige Mitglied (Geburtsdatum und Geschlecht laut Vereinsdaten), nicht auf die Bezeichnung der Turnierklasse.",
     "internalStatsAbsoluteRank": "Rangliste Gesamtwertung",
     "internalStatsAverageRank": "Rangliste Durchschnitt (pro Turnier)",
     "internalStatsPoints": "Summe",
diff --git a/frontend/src/i18n/locales/en-AU.json b/frontend/src/i18n/locales/en-AU.json
index 45b87669..06128058 100644
--- a/frontend/src/i18n/locales/en-AU.json
+++ b/frontend/src/i18n/locales/en-AU.json
@@ -179,6 +179,10 @@
     "internalStatsOpenButton": "Tournament statistics (singles)",
     "internalStatsExportPdf": "Export as PDF",
     "internalStatsAgeFilter": "Age group & gender (singles)",
+    "internalStatsFilterAgeBands": "Age classes",
+    "internalStatsFilterGenderColumn": "Gender",
+    "internalStatsGenderScopeAll": "All",
+    "internalStatsGenderScopeGirls": "Girls only",
     "tournamentClassGenderFemale": "Female",
     "tournamentClassGenderOpen": "Open (all)",
     "internalStatsTtAdult": "Adults",
diff --git a/frontend/src/i18n/locales/en-GB.json b/frontend/src/i18n/locales/en-GB.json
index 1868a04f..854f6e26 100644
--- a/frontend/src/i18n/locales/en-GB.json
+++ b/frontend/src/i18n/locales/en-GB.json
@@ -362,6 +362,8 @@
     "internalStatsAgeFilter": "Age group & gender (singles)",
     "internalStatsFilterAgeBands": "Age classes",
     "internalStatsFilterGenderColumn": "Gender",
+    "internalStatsGenderScopeAll": "All",
+    "internalStatsGenderScopeGirls": "Girls only",
     "tournamentClassGenderFemale": "Female",
     "tournamentClassGenderOpen": "Open (all)",
     "internalStatsTtAdult": "Adults",
@@ -375,7 +377,7 @@
     "internalStatsLast6Months": "Last 6 months",
     "internalStatsLast3Months": "Last 3 months",
     "internalStatsTournamentsInPeriod": "{count} tournament(s) in this period (excluding mini championships).",
-    "internalStatsPointsExplain": "Scoring: In each group, placement is expressed as a percentage (with N ranked players: 1st = 100%, last = 0%, linear in between; tied ranks share the same value). N counts everyone ranked in that group (including guests). With only one player: 100%. Players who reach the knockout get the highest group score in that class plus 1, then one extra point per knockout match won. Club members in singles classes only. The J9–J19 / adults and female/open filters use each member’s birth date and gender from club records, not the tournament class name.",
+    "internalStatsPointsExplain": "Scoring: In each group, placement is expressed as a percentage (with N ranked players: 1st = 100%, last = 0%, linear in between; tied ranks share the same value). N counts everyone ranked in that group (including guests). With only one player: 100%. Players who reach the knockout get the highest group score in that class plus 1, then one extra point per knockout match won. Club members in singles classes only. Age bands (J9–J19 / adults) and gender (“All” = female and open channels, “Girls only” = female channel) use each member’s birth date and gender from club records, not the tournament class name.",
     "internalStatsAbsoluteRank": "Total score ranking",
     "internalStatsAverageRank": "Average per tournament",
     "internalStatsPoints": "Total",
diff --git a/frontend/src/i18n/locales/en-US.json b/frontend/src/i18n/locales/en-US.json
index 11526a49..812887e2 100644
--- a/frontend/src/i18n/locales/en-US.json
+++ b/frontend/src/i18n/locales/en-US.json
@@ -179,6 +179,10 @@
     "internalStatsOpenButton": "Tournament statistics (singles)",
     "internalStatsExportPdf": "Export as PDF",
     "internalStatsAgeFilter": "Age group & gender (singles)",
+    "internalStatsFilterAgeBands": "Age classes",
+    "internalStatsFilterGenderColumn": "Gender",
+    "internalStatsGenderScopeAll": "All",
+    "internalStatsGenderScopeGirls": "Girls only",
     "tournamentClassGenderFemale": "Female",
     "tournamentClassGenderOpen": "Open (all)",
     "internalStatsTtAdult": "Adults",
diff --git a/frontend/src/store.js b/frontend/src/store.js
index 60d6c770..d77dff05 100644
--- a/frontend/src/store.js
+++ b/frontend/src/store.js
@@ -43,6 +43,8 @@ const store = createStore({
       // Browser-Sprache wird in i18n/index.js erkannt
       return null;
     })(),
+    /** Turnierstatistik-Einzel: Dialog bleibt beim Seitenwechsel offen (App.vue) */
+    internalTournamentStatsOpen: false,
   },
   mutations: {
     setToken(state, token) {
@@ -72,6 +74,7 @@ const store = createStore({
         safeSessionStorage.setItem('currentClub', club);
       } else {
         safeSessionStorage.removeItem('currentClub');
+        state.internalTournamentStatsOpen = false;
       }
     },
     setClubsMutation(state, clubs) {
@@ -100,7 +103,8 @@ const store = createStore({
     clearToken(state) {
       state.token = null;
       safeSessionStorage.removeItem('token');
-      safeSessionStorage.removeItem('currentClub'); 
+      safeSessionStorage.removeItem('currentClub');
+      state.internalTournamentStatsOpen = false;
     },
     clearUsername(state) {
       state.username = '';
@@ -142,7 +146,10 @@ const store = createStore({
         const maxZIndex = Math.max(...state.dialogs.map(d => d.zIndex));
         dialog.zIndex = maxZIndex + 1;
       }
-    }
+    },
+    setInternalTournamentStatsOpen(state, open) {
+      state.internalTournamentStatsOpen = !!open;
+    },
   },
   actions: {
     async login({ commit }, { token, username }) {
@@ -153,6 +160,7 @@ const store = createStore({
       commit('setClubsMutation', response.data);
     },
     logout({ commit }) {
+      commit('setInternalTournamentStatsOpen', false);
       commit('clearToken');
       commit('clearUsername');
       commit('clearPermissions');
diff --git a/frontend/src/views/TournamentsView.vue b/frontend/src/views/TournamentsView.vue
index 105bf164..23aa194e 100644
--- a/frontend/src/views/TournamentsView.vue
+++ b/frontend/src/views/TournamentsView.vue
@@ -34,14 +34,12 @@
         v-if="activeMode === 'internal'"
         type="button"
         class="stats-open-button"
-        @click="internalStatsOpen = true"
+        @click="$store.commit('setInternalTournamentStatsOpen', true)"
       >
         📊 {{ $t('tournaments.internalStatsOpenButton') }}
       </button>
     </div>
 
-    <InternalTournamentStats v-if="activeMode === 'internal'" v-model="internalStatsOpen" />
-
     <div class="tab-content">
       <TournamentTab
         :key="activeMode"
@@ -54,18 +52,15 @@
 
 <script>
 import TournamentTab from './TournamentTab.vue';
-import InternalTournamentStats from '../components/tournament/InternalTournamentStats.vue';
 
 export default {
   name: 'TournamentsView',
   components: {
     TournamentTab,
-    InternalTournamentStats,
   },
   data() {
     return {
       activeMode: 'internal',
-      internalStatsOpen: false,
     };
   },
   computed: {