Thank you for the info. Your analysis seems realistic to me.
I suggest that you try to coordinate with your spouse to examine the benefits to each of you of possibly filing jointly. It could save both of you money. Alternately, it may not be worth the pain.
If you have a divorce attorney, you may want to consult them first.
If your divorce is likely to be final this year, and you do not remarry, you will be able to file single for 2022.
Since you are likely in the process of divorcing, you may want your divorce agreement to address any joint tax issues. This is a topic that can easily be overlooked.
Good luck.
