diff --git a/src/core/execution/AttackExecution.ts b/src/core/execution/AttackExecution.ts
index 51c07c212..1926d9991 100644
--- a/src/core/execution/AttackExecution.ts
+++ b/src/core/execution/AttackExecution.ts
@@ -122,6 +122,20 @@ export class AttackExecution implements Execution {
     // Record stats
     this.mg.stats().attack(this._owner, this.target, this.startTroops);
 
+    for (const incoming of this._owner.incomingAttacks()) {
+      if (incoming.attacker() === this.target) {
+        // Target has opposing attack, cancel them out
+        if (incoming.troops() > this.attack.troops()) {
+          incoming.setTroops(incoming.troops() - this.attack.troops());
+          this.attack.delete();
+          this.active = false;
+          return;
+        } else {
+          this.attack.setTroops(this.attack.troops() - incoming.troops());
+          incoming.delete();
+        }
+      }
+    }
     for (const outgoing of this._owner.outgoingAttacks()) {
       if (
         outgoing !== this.attack &&