diff --git a/testing/web-platform/meta/fledge/tentative/generate-bid-recency.https.sub.window.js.ini b/testing/web-platform/meta/fledge/tentative/generate-bid-recency.https.sub.window.js.ini
new file mode 100644
index 0000000000000..989f1f0a410ae
--- /dev/null
+++ b/testing/web-platform/meta/fledge/tentative/generate-bid-recency.https.sub.window.js.ini
@@ -0,0 +1,3 @@
+[generate-bid-recency.https.sub.window.html]
+  [Check recency in generateBid() is below a certain threshold and rounded to multiple of 100 milliseconds.]
+    expected: FAIL