This position didn't occur in my game but could have - I'm white here. My opponent has accidentally entombed their rook, so I'm feeling like I'm cruising to an easy win with essentially a rook against nothing. However, the computer pointed out a potential fortress that would have occurred after a forced series of moves, the last of which is black playing e7-e6 leading to this position:
Is there any way for white to break through and win?