I was legally divorced on 4-3-21 do I file single or divorced? or does it mater?

[DoninGA]

Divorced is not a filing status.  If you have not remarried then you file as Single.

[Mike9241]

unless you remarried your filing status is single there is no such filing status a divorced. the reason Turbotax has divorced is to ask questions about it to find out if you receive or pay alimony and if you do whether it's taxable or  deductible based on dates