This is going into the history books! The IRS is automatically postponing the April 15 Federal income tax and payment deadlines for 90 days, without any interest, penalties, and additions to tax for failure-to-file, on behalf of all “Affected Taxpayers”.
That makes July 15 the new due date to submit both your tax return and tax payment, no matter how much you owe, including payment of tax on self-employment income.
Gusto has some great resources to continue reading: https://gusto.com/blog/taxes/tax-deadline-2020