diff --git a/components/cms/CmsMannschaften.vue b/components/cms/CmsMannschaften.vue
index 0c4171b..4aefdbd 100644
--- a/components/cms/CmsMannschaften.vue
+++ b/components/cms/CmsMannschaften.vue
@@ -1,21 +1,58 @@
 <template>
   <div>
-    <div class="flex justify-between items-center mb-6">
+    <div class="flex justify-between items-center mb-6 gap-4 flex-wrap">
       <div>
         <h2 class="text-2xl sm:text-3xl font-display font-bold text-gray-900 mb-2">
           Mannschaften verwalten
         </h2>
         <div class="w-24 h-1 bg-primary-600" />
       </div>
-      <button
-        class="flex items-center px-4 py-2 bg-primary-600 hover:bg-primary-700 text-white font-semibold rounded-lg transition-colors"
-        @click="openAddModal"
-      >
-        <Plus
-          :size="20"
-          class="mr-2"
-        /> Mannschaft hinzufügen
-      </button>
+
+      <div class="flex items-center gap-2 flex-wrap">
+        <label class="text-sm font-medium text-gray-700">Saison</label>
+        <select
+          v-model="selectedSeason"
+          class="px-3 py-2 border border-gray-300 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-primary-500"
+          :disabled="isLoading || isSaving || isCreatingSeason"
+          @change="onSeasonChange"
+        >
+          <option
+            v-for="season in seasons"
+            :key="season"
+            :value="season"
+          >
+            {{ formatSeasonLabel(season) }}
+          </option>
+        </select>
+
+        <button
+          class="flex items-center px-4 py-2 bg-white border border-primary-300 text-primary-700 hover:bg-primary-50 font-semibold rounded-lg transition-colors disabled:opacity-50"
+          :disabled="isLoading || isSaving || isCreatingSeason"
+          @click="createNextSeason"
+        >
+          <Loader2
+            v-if="isCreatingSeason"
+            :size="18"
+            class="animate-spin mr-2"
+          />
+          <Plus
+            v-else
+            :size="18"
+            class="mr-2"
+          />
+          Neue Saison anlegen
+        </button>
+
+        <button
+          class="flex items-center px-4 py-2 bg-primary-600 hover:bg-primary-700 text-white font-semibold rounded-lg transition-colors"
+          @click="openAddModal"
+        >
+          <Plus
+            :size="20"
+            class="mr-2"
+          /> Mannschaft hinzufügen
+        </button>
+      </div>
     </div>
 
     <div
@@ -356,7 +393,10 @@ import { Plus, Trash2, Loader2, AlertCircle, Pencil, Users, ChevronUp, ChevronDo
 
 const isLoading = ref(true)
 const isSaving = ref(false)
+const isCreatingSeason = ref(false)
 const mannschaften = ref([])
+const seasons = ref([])
+const selectedSeason = ref('')
 const showModal = ref(false)
 const errorMessage = ref('')
 const isEditing = ref(false)
@@ -376,6 +416,45 @@ async function fetchCsvText(url) {
   try { return await attempt() } catch { await new Promise(r => setTimeout(r, 150)); return await attempt() }
 }
 
+function getMannschaftenFilenameForSeason(seasonSlug = '') {
+  const season = String(seasonSlug || '').trim()
+  return season ? `mannschaften_${season}.csv` : 'mannschaften.csv'
+}
+
+function formatSeasonLabel(seasonSlug) {
+  const match = String(seasonSlug || '').match(/^(\d{2})--(\d{2})$/)
+  return match ? `20${match[1]}/${match[2]}` : String(seasonSlug || '')
+}
+
+function getNextSeasonSlug(seasonSlug) {
+  const match = String(seasonSlug || '').match(/^(\d{2})--(\d{2})$/)
+  if (!match) return ''
+  const start = Number(match[1])
+  const nextStart = (start + 1) % 100
+  const nextEnd = (nextStart + 1) % 100
+  return `${String(nextStart).padStart(2, '0')}--${String(nextEnd).padStart(2, '0')}`
+}
+
+async function loadSeasons() {
+  try {
+    const res = await fetch('/api/mannschaften/seasons')
+    const result = await res.json()
+    if (!result?.success || !Array.isArray(result.seasons) || result.seasons.length === 0) {
+      seasons.value = [result?.currentSeason || '']
+      selectedSeason.value = seasons.value[0] || ''
+      return
+    }
+
+    seasons.value = result.seasons
+    if (!selectedSeason.value || !seasons.value.includes(selectedSeason.value)) {
+      selectedSeason.value = result.defaultSeason || seasons.value[0]
+    }
+  } catch (_error) {
+    if (!seasons.value.length) seasons.value = ['']
+    if (!selectedSeason.value) selectedSeason.value = seasons.value[0] || ''
+  }
+}
+
 const mannschaftenSelectOptions = computed(() => {
   const current = (formData.value.mannschaft || '').trim()
   const names = mannschaften.value.map(m => (m?.mannschaft || '').trim()).filter(Boolean)
@@ -392,7 +471,9 @@ function getPendingSpielerNamesForTeamIndex(teamIndex) {
 const loadMannschaften = async () => {
   isLoading.value = true
   try {
-    const csv = await fetchCsvText('/api/mannschaften')
+    const params = new URLSearchParams()
+    if (selectedSeason.value) params.set('season', selectedSeason.value)
+    const csv = await fetchCsvText(`/api/mannschaften${params.toString() ? `?${params.toString()}` : ''}`)
     const lines = csv.split('\n').filter(line => line.trim() !== '')
     if (lines.length < 2) { mannschaften.value = []; return }
     mannschaften.value = lines.slice(1).map(line => {
@@ -405,6 +486,10 @@ const loadMannschaften = async () => {
   } catch (error) { console.error('Fehler beim Laden:', error); errorMessage.value = 'Fehler beim Laden der Mannschaften'; throw error } finally { isLoading.value = false }
 }
 
+const onSeasonChange = async () => {
+  await loadMannschaften().catch(() => {})
+}
+
 const getSpielerListe = (m) => { if (!m.spieler) return []; return m.spieler.split(';').map(s => s.trim()).filter(s => s !== '') }
 const openAddModal = () => { formData.value = { mannschaft: '', liga: '', staffelleiter: '', telefon: '', heimspieltag: '', spielsystem: '', mannschaftsfuehrer: '', spielerListe: [], weitere_informationen_link: '', letzte_aktualisierung: nowIsoDate() }; showModal.value = true; errorMessage.value = ''; isEditing.value = false; editingIndex.value = -1; resetSpielerDraftState() }
 const closeModal = () => { showModal.value = false; errorMessage.value = ''; isEditing.value = false; editingIndex.value = -1; resetSpielerDraftState() }
@@ -451,7 +536,59 @@ const saveCSV = async () => {
     const esc = (v) => { if (!v) return ''; const s = String(v); if (s.includes(',') || s.includes('"') || s.includes('\n')) return `"${s.replace(/"/g, '""')}"`; return s }
     return [esc(m.mannschaft), esc(m.liga), esc(m.staffelleiter), esc(m.telefon), esc(m.heimspieltag), esc(m.spielsystem), esc(m.mannschaftsfuehrer), esc(m.spieler), esc(m.weitere_informationen_link), esc(m.letzte_aktualisierung)].join(',')
   })
-  await $fetch('/api/cms/save-csv', { method: 'POST', body: { filename: 'mannschaften.csv', content: [header, ...rows].join('\n') } })
+  await $fetch('/api/cms/save-csv', {
+    method: 'POST',
+    body: {
+      filename: getMannschaftenFilenameForSeason(selectedSeason.value),
+      content: [header, ...rows].join('\n')
+    }
+  })
+}
+
+const createNextSeason = async () => {
+  const baseSeason = selectedSeason.value || seasons.value[0]
+  const nextSeason = getNextSeasonSlug(baseSeason)
+  if (!nextSeason) {
+    errorMessage.value = 'Naechste Saison konnte nicht ermittelt werden.'
+    return
+  }
+
+  if (seasons.value.includes(nextSeason)) {
+    selectedSeason.value = nextSeason
+    await loadMannschaften().catch(() => {})
+    return
+  }
+
+  isCreatingSeason.value = true
+  errorMessage.value = ''
+  try {
+    const header = 'Mannschaft,Liga,Staffelleiter,Telefon,Heimspieltag,Spielsystem,Mannschaftsführer,Spieler,Weitere Informationen Link,Letzte Aktualisierung'
+    const rows = mannschaften.value.map(m => {
+      const esc = (v) => { if (!v) return ''; const s = String(v); if (s.includes(',') || s.includes('"') || s.includes('\n')) return `"${s.replace(/"/g, '""')}"`; return s }
+      return [esc(m.mannschaft), esc(m.liga), esc(m.staffelleiter), esc(m.telefon), esc(m.heimspieltag), esc(m.spielsystem), esc(m.mannschaftsfuehrer), esc(m.spieler), esc(m.weitere_informationen_link), esc(m.letzte_aktualisierung || nowIsoDate())].join(',')
+    })
+
+    await $fetch('/api/cms/save-csv', {
+      method: 'POST',
+      body: {
+        filename: getMannschaftenFilenameForSeason(nextSeason),
+        content: [header, ...rows].join('\n')
+      }
+    })
+
+    await loadSeasons()
+    selectedSeason.value = nextSeason
+    await loadMannschaften().catch(() => {})
+    if (window.showSuccessModal) {
+      window.showSuccessModal('Erfolg', `Neue Saison ${formatSeasonLabel(nextSeason)} wurde angelegt.`)
+    }
+  } catch (error) {
+    console.error('Fehler beim Anlegen der Saison:', error)
+    errorMessage.value = error?.data?.statusMessage || error?.statusMessage || 'Saison konnte nicht angelegt werden.'
+    if (window.showErrorModal) window.showErrorModal('Fehler', errorMessage.value)
+  } finally {
+    isCreatingSeason.value = false
+  }
 }
 
 const confirmDelete = (mannschaft, index) => {
@@ -462,5 +599,8 @@ const confirmDelete = (mannschaft, index) => {
   } else { if (confirm(`Mannschaft "${mannschaft.mannschaft}" wirklich löschen?`)) { mannschaften.value.splice(index, 1); saveCSV(); loadMannschaften() } }
 }
 
-onMounted(() => { loadMannschaften().catch(() => {}) })
+onMounted(async () => {
+  await loadSeasons()
+  await loadMannschaften().catch(() => {})
+})
 </script>
diff --git a/pages/mannschaften/[slug].vue b/pages/mannschaften/[slug].vue
index 05e8665..e57dff0 100644
--- a/pages/mannschaften/[slug].vue
+++ b/pages/mannschaften/[slug].vue
@@ -244,6 +244,9 @@
                   <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                     Sätze
                   </th>
+                  <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
+                    Bälle
+                  </th>
                   <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                     Punkte
                   </th>
@@ -276,6 +279,9 @@
                   <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-900">
                     {{ formatSaetze(row) }}
                   </td>
+                  <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-900">
+                    {{ formatBaelle(row) }}
+                  </td>
                   <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-900">
                     {{ formatPunkte(row) }}
                   </td>
@@ -672,6 +678,13 @@ const formatSaetze = (row) => {
   return `${won ?? 0}:${lost ?? 0}`
 }
 
+const formatBaelle = (row) => {
+  const won = row?.games_won
+  const lost = row?.games_lost
+  if (won == null && lost == null) return row?.games_relation || '-'
+  return `${won ?? 0}:${lost ?? 0}`
+}
+
 const formatPunkte = (row) => {
   if (row?.points_won == null && row?.points_lost == null) return '-'
   return `${row?.points_won ?? 0}:${row?.points_lost ?? 0}`
diff --git a/server/api/mannschaften/seasons.get.js b/server/api/mannschaften/seasons.get.js
new file mode 100644
index 0000000..d1993aa
--- /dev/null
+++ b/server/api/mannschaften/seasons.get.js
@@ -0,0 +1,55 @@
+import { promises as fs } from 'fs'
+import path from 'path'
+import { getCurrentSeasonSlug } from '../../utils/spielplan-data.js'
+
+const SEASON_FILE_PATTERN = /^mannschaften_(\d{2}--\d{2})\.csv$/
+
+async function collectSeasonFiles(dirPath) {
+  try {
+    const files = await fs.readdir(dirPath)
+    return files
+      .map((name) => {
+        const match = name.match(SEASON_FILE_PATTERN)
+        return match ? match[1] : null
+      })
+      .filter(Boolean)
+  } catch (error) {
+    if (error?.code === 'ENOENT') return []
+    throw error
+  }
+}
+
+export default defineEventHandler(async () => {
+  try {
+    const cwd = process.cwd()
+    const dirs = [
+      path.join(cwd, 'server/data/public-data'),
+      path.join(cwd, '../server/data/public-data'),
+      path.join(cwd, '.output/public/data'),
+      path.join(cwd, 'public/data')
+    ]
+
+    const seasonLists = await Promise.all(dirs.map((dir) => collectSeasonFiles(dir)))
+    const allSeasons = [...new Set(seasonLists.flat())].sort().reverse()
+
+    const currentSeason = getCurrentSeasonSlug()
+    const seasons = allSeasons.includes(currentSeason)
+      ? allSeasons
+      : [currentSeason, ...allSeasons]
+
+    return {
+      success: true,
+      seasons,
+      currentSeason,
+      defaultSeason: seasons[0] || currentSeason
+    }
+  } catch (error) {
+    console.error('Fehler beim Laden der Mannschafts-Saisons:', error)
+    return {
+      success: false,
+      seasons: [getCurrentSeasonSlug()],
+      currentSeason: getCurrentSeasonSlug(),
+      defaultSeason: getCurrentSeasonSlug()
+    }
+  }
+})