diff --git a/osu.Game/Online/Spectator/ISpectatorClient.cs b/osu.Game/Online/Spectator/ISpectatorClient.cs
index ccba280001..605ebc4ef0 100644
--- a/osu.Game/Online/Spectator/ISpectatorClient.cs
+++ b/osu.Game/Online/Spectator/ISpectatorClient.cs
@@ -32,5 +32,12 @@ namespace osu.Game.Online.Spectator
         /// <param name="userId">The user.</param>
         /// <param name="data">The frame data.</param>
         Task UserSentFrames(int userId, FrameDataBundle data);
+
+        /// <summary>
+        /// Signals that a user's submitted score was fully processed.
+        /// </summary>
+        /// <param name="userId">The ID of the user who achieved the score.</param>
+        /// <param name="scoreId">The ID of the score.</param>
+        Task UserScoreProcessed(int userId, long scoreId);
     }
 }
diff --git a/osu.Game/Online/Spectator/OnlineSpectatorClient.cs b/osu.Game/Online/Spectator/OnlineSpectatorClient.cs
index 01b775549e..3118e05053 100644
--- a/osu.Game/Online/Spectator/OnlineSpectatorClient.cs
+++ b/osu.Game/Online/Spectator/OnlineSpectatorClient.cs
@@ -41,6 +41,7 @@ namespace osu.Game.Online.Spectator
                     connection.On<int, SpectatorState>(nameof(ISpectatorClient.UserBeganPlaying), ((ISpectatorClient)this).UserBeganPlaying);
                     connection.On<int, FrameDataBundle>(nameof(ISpectatorClient.UserSentFrames), ((ISpectatorClient)this).UserSentFrames);
                     connection.On<int, SpectatorState>(nameof(ISpectatorClient.UserFinishedPlaying), ((ISpectatorClient)this).UserFinishedPlaying);
+                    connection.On<int, long>(nameof(ISpectatorClient.UserScoreProcessed), ((ISpectatorClient)this).UserScoreProcessed);
                 };
 
                 IsConnected.BindTo(connector.IsConnected);
diff --git a/osu.Game/Online/Spectator/SpectatorClient.cs b/osu.Game/Online/Spectator/SpectatorClient.cs
index fce61c019b..b60cef2835 100644
--- a/osu.Game/Online/Spectator/SpectatorClient.cs
+++ b/osu.Game/Online/Spectator/SpectatorClient.cs
@@ -64,6 +64,11 @@ namespace osu.Game.Online.Spectator
         /// </summary>
         public virtual event Action<int, SpectatorState>? OnUserFinishedPlaying;
 
+        /// <summary>
+        /// Called whenever a user-submitted score has been fully processed.
+        /// </summary>
+        public virtual event Action<int, long>? OnUserScoreProcessed;
+
         /// <summary>
         /// A dictionary containing all users currently being watched, with the number of watching components for each user.
         /// </summary>
@@ -160,6 +165,13 @@ namespace osu.Game.Online.Spectator
             return Task.CompletedTask;
         }
 
+        Task ISpectatorClient.UserScoreProcessed(int userId, long scoreId)
+        {
+            Schedule(() => OnUserScoreProcessed?.Invoke(userId, scoreId));
+
+            return Task.CompletedTask;
+        }
+
         public void BeginPlaying(long? scoreToken, GameplayState state, Score score)
         {
             // This schedule is only here to match the one below in `EndPlaying`.