diff --git a/client/src/components/Summoner/FilterSeason.vue b/client/src/components/Summoner/FilterSeason.vue
index 7e924ba..e9d96f8 100644
--- a/client/src/components/Summoner/FilterSeason.vue
+++ b/client/src/components/Summoner/FilterSeason.vue
@@ -8,11 +8,15 @@
     >
       <option :value="null" class="bg-blue-800">All seasons</option>
       <option
-        v-for="(s, index) in seasons"
+        v-for="(s, index) in sortedSeasons"
         :key="index"
         :value="s"
         class="bg-blue-800"
-      >Season {{ s }}</option>
+      >
+        <template v-if="Number.isInteger(s)">Season {{ s }}</template>
+        <!-- Preseason numbers are stored in this format: 10.5 for Preseason 11 -->
+        <template v-else>Preseason {{ s + 0.5 }}</template>
+      </option>
     </select>
     <div
       class="absolute inset-y-0 right-0 flex items-center px-2 text-gray-700 pointer-events-none"
@@ -35,6 +39,9 @@ export default {
   },
 
   computed: {
+    sortedSeasons() {
+      return [...this.seasons].sort((a, b) => b - a)
+    },
     ...mapState({
       currentseason: state => state.summoner.basic.currentSeason,
       seasons: state => state.summoner.basic.seasons,
diff --git a/server/app/helpers.ts b/server/app/helpers.ts
index 378eaf7..13c4834 100644
--- a/server/app/helpers.ts
+++ b/server/app/helpers.ts
@@ -18,6 +18,7 @@ export const queuesWithRole = [
 export const seasons = {
   0: 9,
   1578628800000: 10,
+  1604970061000: 10.5, // Preseason 11
 }
 
 /**