FIG. 1 is a front view of an opening for a window for an oven door showing our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines showing an oven door are for illustrative purposes only and form no part of the claimed design.