diff --git a/backend/clients/myTischtennisClient.js b/backend/clients/myTischtennisClient.js
index 4b1274d2..0c4fd820 100644
--- a/backend/clients/myTischtennisClient.js
+++ b/backend/clients/myTischtennisClient.js
@@ -536,10 +536,27 @@ class MyTischtennisClient {
         console.log('[myTischtennisClient.playwright] Waited after solved captcha:', postCaptchaDelayMs);
       }
 
+      // Ensure login intent is present and click the explicit login submit button.
+      await page.evaluate(() => {
+        const form = document.querySelector('form[action*="/login"]');
+        if (!form) return;
+        let intentField = form.querySelector('input[name="intent"]');
+        if (!intentField) {
+          intentField = document.createElement('input');
+          intentField.setAttribute('type', 'hidden');
+          intentField.setAttribute('name', 'intent');
+          form.appendChild(intentField);
+        }
+        intentField.setAttribute('value', 'login');
+      });
+
       // Submit form
-      const submitButton = page.locator('button[type="submit"], input[type="submit"]').first();
-      if (await submitButton.count()) {
-        await submitButton.click({ timeout: 15000, noWaitAfter: true });
+      const loginSubmitButton = page.locator('button[type="submit"][name="intent"][value="login"]').first();
+      const genericSubmitButton = page.locator('button[type="submit"], input[type="submit"]').first();
+      if (await loginSubmitButton.count()) {
+        await loginSubmitButton.click({ timeout: 15000, noWaitAfter: true });
+      } else if (await genericSubmitButton.count()) {
+        await genericSubmitButton.click({ timeout: 15000, noWaitAfter: true });
       } else {
         await page.keyboard.press('Enter');
       }