So did you make a separate estimated payment in addition to the 10,000 extension payment? The payment with the extension is NOT an estimated payment. Estimated payments are quarterly payments you made in 2023 for 2023. How much actually came out of your bank account? 10,000 or 20,000? The 10,000 payment got doubled up on your tax return. You must have entered it as an estimated payment but it was already listed as an extension payment.
Look at the actual 1040 tax return. Lines 25-31 are all the payments you made from withholding and estimates and the extension. Did you make all those payments? The 10,000 is listed twice.
