diff --git a/testing/web-platform/meta/service-workers/service-worker/tentative/static-router/static-router-race-network-and-fetch-handler.https.html.ini b/testing/web-platform/meta/service-workers/service-worker/tentative/static-router/static-router-race-network-and-fetch-handler.https.html.ini
index 2f7f10e77709..933289866f20 100644
--- a/testing/web-platform/meta/service-workers/service-worker/tentative/static-router/static-router-race-network-and-fetch-handler.https.html.ini
+++ b/testing/web-platform/meta/service-workers/service-worker/tentative/static-router/static-router-race-network-and-fetch-handler.https.html.ini
@@ -1,4 +1,6 @@
 [static-router-race-network-and-fetch-handler.https.html]
+  expected:
+    if (os == "win") and not debug and (processor == "x86_64"): [OK, TIMEOUT]
   [Main resource load matched the rule with race-network-and-fetch-handler source, and the fetch handler response is faster than the server response]
     expected: FAIL
 
@@ -9,4 +11,16 @@
     expected: FAIL
 
   [Subresource load matched the rule with race-network-and-fetch-handler source, and the server reseponse is faster than the fetch handler]
-    expected: FAIL
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, TIMEOUT]
+      FAIL
+
+  [Subresource load matched the rule with race-network-and-fetch-handler source, and the server reseponse with 204 response is faster than the fetch handler]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      FAIL
+
+  [Subresource load matched the rule with race-network-and-fetch-handler source, and the server reseponse is faster than the fetch handler, but not found]
+    expected:
+      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, NOTRUN]
+      FAIL