To add your game schedule to your iPhone Calendar, follow these steps:

1. Go to your team's schedule page.
2. Click the Subscribe button.
3. Copy the URL.
4. In your iphone, click on the Settings app.
5. Click on Passwords & Accounts.
6. Click on Add Account.
7. Click on Other.
8. Click on Add Subscribed Calendar.
9. Double click and paste the calendar URL in the Server field.
10. Click Next.
11. Click Save.
12. Click on your Calendar app to see the new calendar additions.