The Panthers trailed 2-1 after the doubles were complete with Tignee and Rodriguez combining for an 8-5 win in No. 3 doubles.
No. 5 Zach Merrill pushed Covenant to a third set tiebreaker, but he ultimately came up short 7-6, 4-6, 10-3.
The Panthers (2-5) will play Belhaven on Saturday in Georgia.