couple more photos if it helps

It looks like bermuda with - 'bermuda white leaf disease'. "Bayer advanced" (available at home depot, Lowe's) makes a product to control bermuda in fescue. I have not used it, but usually this type product requires 3 applications - spring summer and fall..........however, with the bermuda already diseased, you could get lucky and wipe it out with one application.

That is bermuda by my eyes. It can be very hard to get rid of in fescue. Do what Tom suggested and pray it works.