The account was created on March 6th.
Is it possible that you inadvertently created the account yourself by signing in using Google, Facebook or Apple for the first time while using that email address? Apparently it is very easy to create a new account when signing in using those methods for the first time, or using a different account.
If you want to close the account, you can use this link while signed in to the account you want to delete:
https://www.ebay.com/help/account/changing-account-settings/closing-account?id=4199
Be sure not to close the wrong account.
