diff --git a/src/main/java/emu/lunarcore/game/player/LineupManager.java b/src/main/java/emu/lunarcore/game/player/LineupManager.java
index d1db5b9..9934b0b 100644
--- a/src/main/java/emu/lunarcore/game/player/LineupManager.java
+++ b/src/main/java/emu/lunarcore/game/player/LineupManager.java
@@ -43,6 +43,10 @@ public class LineupManager {
         this.mp = Math.max(this.mp - i, 0);
     }
     
+    public void setCurrentExtraLineup(int i) {
+        this.currentExtraLineup = i;
+    }
+    
     public PlayerLineup getLineupByIndex(int index, int extraLineup) {
         // Sanity
         if (extraLineup > 0) {
diff --git a/src/main/java/emu/lunarcore/server/packet/recv/HandlerLeaveChallengeCsReq.java b/src/main/java/emu/lunarcore/server/packet/recv/HandlerLeaveChallengeCsReq.java
new file mode 100644
index 0000000..853db06
--- /dev/null
+++ b/src/main/java/emu/lunarcore/server/packet/recv/HandlerLeaveChallengeCsReq.java
@@ -0,0 +1,19 @@
+package emu.lunarcore.server.packet.recv;
+
+import emu.lunarcore.server.game.GameSession;
+import emu.lunarcore.server.packet.CmdId;
+import emu.lunarcore.server.packet.Opcodes;
+import emu.lunarcore.server.packet.PacketHandler;
+
+@Opcodes(CmdId.LeaveChallengeCsReq)
+public class HandlerLeaveChallengeCsReq extends PacketHandler {
+
+    @Override
+    public void handle(GameSession session, byte[] header, byte[] data) throws Exception {
+        // TODO make sure client is in a challenge mode map
+        session.getPlayer().getLineupManager().setCurrentExtraLineup(0);
+        session.getPlayer().enterScene(100000103, 0, true);
+        session.send(CmdId.LeaveChallengeScRsp);
+    }
+
+}
\ No newline at end of file