There is nothing to deal with that. Don't know what you might be thinking of. You don't mention that in your tax return. You just file 2019 as Single or Head of Household if you qualify.
If you used Turbo Tax last year you should start a brand new account for yourself and not transfer from last year. You can not remove a spouse or switch the order of names.
Online is only good for 1 return. But you can use the same email address for 5 accounts. How to start another return in the Online version
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-start-another-return-in-turbotax-onli...
Divorced FAQ
https://ttlc.intuit.com/community/family/help/what-if-i-was-divorced/00/25830
Start a new account. Removing a spouse is not recommended
https://ttlc.intuit.com/community/family/help/how-do-i-remove-a-former-spouse-from-my-return/00/2720...
Getting Divorced article
https://turbotax.intuit.com/tax-tips/marriage/getting-divorced/L20NC66cf
Video tips for Divorced couples
https://turbotax.intuit.com/tax-tools/tax-tips/Family/Video--Tax-Tips-for-Divorced-Couples/INF14631....
And see what AGI to use
https://ttlc.intuit.com/community/agi/help/what-agi-should-i-enter-if-i-m-recently-divorced-or-widow...
