en_tn_condensed/isa/10/20.md

On that day

This refers to the time when God does the things that are described in Isaiah 10:16-19. AT: "At that time" (See: rc://en/ta/man/translate/figs-idiom)

that has escaped

The meaning can be made explicit. AT: "that has escaped from the army of Assyria" (See: rc://en/ta/man/translate/figs-explicit)

will no longer rely on the one who defeated them

"will no longer rely on the king of Assyria, who harmed them"

Holy One

See how you translated this in Isaiah 1:4.