diff --git a/src/js/node/_http_incoming.ts b/src/js/node/_http_incoming.ts
index f98be938ce..a9799681ca 100644
--- a/src/js/node/_http_incoming.ts
+++ b/src/js/node/_http_incoming.ts
@@ -147,6 +147,11 @@ function IncomingMessage(req, options = defaultIncomingOpts) {
       if (!assignHeaders(this, req)) {
         this[fakeSocketSymbol] = req;
       }
+      
+      // For fetch responses, set URL to empty string to match Node.js behavior
+      if (type === NodeHTTPIncomingRequestType.FetchResponse) {
+        this.url = "";
+      }
     } else {
       // Node defaults url and method to null.
       this.url = "";
diff --git a/test/regression/issue/https-request-url-property.test.ts b/test/regression/issue/https-request-url-property.test.ts
new file mode 100644
index 0000000000..b1342258eb
--- /dev/null
+++ b/test/regression/issue/https-request-url-property.test.ts
@@ -0,0 +1,130 @@
+import { test, expect } from "bun:test";
+import { request as httpsRequest } from "https";
+import { request as httpRequest } from "http";
+
+test("https.request URL property should be empty string like Node.js - issue #13820", async () => {
+  const url = await new Promise<string>((resolve, reject) => {
+    const req = httpsRequest("https://google.com", (res) => {
+      resolve(res.url);
+      res.resume(); // Drain response to avoid hanging
+    });
+    req.on("error", reject);
+    req.setTimeout(5000, () => reject(new Error("Timeout")));
+    req.end();
+  });
+
+  // Node.js returns empty string, not "/"
+  expect(url).toBe("");
+});
+
+test("https.request URL property for root path with explicit slash", async () => {
+  const url = await new Promise<string>((resolve, reject) => {
+    const req = httpsRequest("https://google.com/", (res) => {
+      resolve(res.url);
+      res.resume();
+    });
+    req.on("error", reject);
+    req.setTimeout(5000, () => reject(new Error("Timeout")));
+    req.end();
+  });
+
+  expect(url).toBe("");
+});
+
+test("https.request URL property for path", async () => {
+  const url = await new Promise<string>((resolve, reject) => {
+    const req = httpsRequest("https://httpbin.org/json", (res) => {
+      resolve(res.url);
+      res.resume();
+    });
+    req.on("error", reject);
+    req.setTimeout(5000, () => reject(new Error("Timeout")));
+    req.end();
+  });
+
+  expect(url).toBe("");
+});
+
+test("http.request URL property should also be empty string", async () => {
+  const url = await new Promise<string>((resolve, reject) => {
+    const req = httpRequest("http://httpbin.org/json", (res) => {
+      resolve(res.url);
+      res.resume();
+    });
+    req.on("error", reject);
+    req.setTimeout(5000, () => reject(new Error("Timeout")));
+    req.end();
+  });
+
+  expect(url).toBe("");
+});
+
+test("https.request URL property with redirect", async () => {
+  const url = await new Promise<string>((resolve, reject) => {
+    const req = httpsRequest("https://httpbin.org/redirect/1", (res) => {
+      resolve(res.url);
+      res.resume();
+    });
+    req.on("error", reject);
+    req.setTimeout(5000, () => reject(new Error("Timeout")));
+    req.end();
+  });
+
+  // Even after redirect, URL should still be empty string (Node.js behavior)
+  expect(url).toBe("");
+});
+
+test("https.request URL property consistency across multiple requests", async () => {
+  const urls = await Promise.all([
+    new Promise<string>((resolve, reject) => {
+      const req = httpsRequest("https://httpbin.org/status/200", (res) => {
+        resolve(res.url);
+        res.resume();
+      });
+      req.on("error", reject);
+      req.setTimeout(5000, () => reject(new Error("Timeout")));
+      req.end();
+    }),
+    new Promise<string>((resolve, reject) => {
+      const req = httpsRequest("https://httpbin.org/status/404", (res) => {
+        resolve(res.url);
+        res.resume();
+      });
+      req.on("error", reject);
+      req.setTimeout(5000, () => reject(new Error("Timeout")));
+      req.end();
+    }),
+  ]);
+
+  expect(urls[0]).toBe("");
+  expect(urls[1]).toBe("");
+});
+
+test("https.request URL property type should be string", async () => {
+  const url = await new Promise<any>((resolve, reject) => {
+    const req = httpsRequest("https://httpbin.org/json", (res) => {
+      resolve(res.url);
+      res.resume();
+    });
+    req.on("error", reject);
+    req.setTimeout(5000, () => reject(new Error("Timeout")));
+    req.end();
+  });
+
+  expect(typeof url).toBe("string");
+  expect(url).toBe("");
+});
+
+test("https.request response object should have url property", async () => {
+  const hasUrlProperty = await new Promise<boolean>((resolve, reject) => {
+    const req = httpsRequest("https://httpbin.org/json", (res) => {
+      resolve("url" in res);
+      res.resume();
+    });
+    req.on("error", reject);
+    req.setTimeout(5000, () => reject(new Error("Timeout")));
+    req.end();
+  });
+
+  expect(hasUrlProperty).toBe(true);
+});
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