diff --git a/arena/letst.json b/arena/letst.json
new file mode 100644
index 00000000..0a0d582a
--- /dev/null
+++ b/arena/letst.json
@@ -0,0 +1,6 @@
+{
+    "github_repo_url": "https://github.com/jianhuanggo/AutoTestTest",
+    "timestamp": "2023-10-16T19:07:43.009481",
+    "commit_hash_to_benchmark": "546e08a5cf2413fcfb857e2c41d21c80c3364218",
+    "branch_to_benchmark": "master"
+}
\ No newline at end of file