You probably cannot unless you have the account ID and password and can get the security verification code via phone text or email.
Unless you were divorced in 2020 and it was not final in 2019 the there can not be any "our" return. If not married at the end of 2019 then you can only file as single or Head of Household of you qualify.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**