diff --git a/app/Observers/EntryObserver.php b/app/Observers/EntryObserver.php
index c18ec21..72268bc 100644
--- a/app/Observers/EntryObserver.php
+++ b/app/Observers/EntryObserver.php
@@ -2,8 +2,8 @@
 
 namespace App\Observers;
 
-use App\Events\AuditionChange;
-use App\Events\EntryChange;
+use App\Models\Audition;
+use App\Models\Doubler;
 use App\Models\Entry;
 
 class EntryObserver
@@ -13,6 +13,16 @@ class EntryObserver
      */
     public function created(Entry $entry): void
     {
+        // Count how many entries the student has for the event
+        $count = $entry->student->entriesForEvent($entry->audition->event_id)->count();
+
+        // If less than two entries, they're not a doubler
+        if ($count < 2) {
+            return;
+        }
+
+        // Update doublers for the event
+        Doubler::syncForEvent($entry->audition->event_id);
 
     }
 
@@ -21,7 +31,12 @@ class EntryObserver
      */
     public function updated(Entry $entry): void
     {
-
+        // Update doubler table when an entry is updated
+        Doubler::syncForEvent($entry->audition->event_id);
+        if ($entry->wasChanged('audition_id')) {
+            $originalData = $entry->getOriginal();
+            Doubler::syncForEvent($originalData->audition->event_id);
+        }
     }
 
     /**
@@ -29,7 +44,9 @@ class EntryObserver
      */
     public function deleted(Entry $entry): void
     {
-
+        Doubler::where('student_id', $entry->student_id)->delete();
+        $audition = Audition::where('id', $entry->audition_id)->first();
+        Doubler::syncForEvent($audition->event_id);
     }
 
     /**