You may want to review this previous TT Q&A:
https://ttlc.intuit.com/community/retirement/discussion/how-to-handle-pension-payments-to-ex-spouse/...
It appears that your payments are not considered QDRO payments, since they're being made directly by you rather than directly by your retirement plan.
The IRS states that you can't deduct alimony or separate maintenance payments made under a divorce or separation agreement executed after 2018. Alimony requirements executed before 2019, but later changed, are also not tax deductible.
https://www.irs.gov/taxtopics/tc452
You may want to consult a local tax professional.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
