diff --git a/Tennis/objc/.gitignore b/Tennis/objc/.gitignore
new file mode 100644
index 00000000..732b3824
--- /dev/null
+++ b/Tennis/objc/.gitignore
@@ -0,0 +1,3 @@
+.idea
+Tennis.xcodeproj/project.xcworkspace/xcuserdata/*
+Tennis.xcodeproj/xcuserdata/*