diff --git a/e2e/packages/sync-test/syncToRecs.test.ts b/e2e/packages/sync-test/syncToRecs.test.ts
new file mode 100644
index 0000000000..7a98bb1ca8
--- /dev/null
+++ b/e2e/packages/sync-test/syncToRecs.test.ts
@@ -0,0 +1,47 @@
+import { describe, expect, it } from "vitest";
+import { rpcHttpUrl } from "./setup/constants";
+import { deployContracts } from "./setup";
+import { createAsyncErrorHandler } from "./asyncErrors";
+import { createWorld, getComponentValueStrict } from "@latticexyz/recs";
+import { singletonEntity, syncToRecs } from "@latticexyz/store-sync/recs";
+import mudConfig from "../contracts/mud.config";
+import { transportObserver } from "@latticexyz/common";
+import { ClientConfig, createPublicClient, http, isHex } from "viem";
+import { getNetworkConfig } from "../client-vanilla/src/mud/getNetworkConfig";
+
+describe("syncToRecs", () => {
+  const asyncErrorHandler = createAsyncErrorHandler();
+
+  it("has the correct sync progress percentage", async () => {
+    asyncErrorHandler.resetErrors();
+
+    const { stdout } = await deployContracts(rpcHttpUrl);
+
+    const [, worldAddress] = stdout.match(/worldAddress: '(0x[0-9a-f]+)'/i) ?? [];
+    if (!isHex(worldAddress)) {
+      throw new Error("world address not found in output, did the deploy fail?");
+    }
+
+    const networkConfig = await getNetworkConfig();
+    const clientOptions = {
+      chain: networkConfig.chain,
+      transport: transportObserver(http(rpcHttpUrl ?? undefined)),
+      pollingInterval: 1000,
+    } as const satisfies ClientConfig;
+
+    const publicClient = createPublicClient(clientOptions);
+
+    const world = createWorld();
+
+    const { components } = await syncToRecs({
+      world,
+      config: mudConfig,
+      address: worldAddress,
+      publicClient,
+    });
+
+    expect(getComponentValueStrict(components.SyncProgress, singletonEntity).percentage).toMatchInlineSnapshot(`
+      100
+    `);
+  });
+});