I've had people do this to me in correspondence where they have multiple days to move. In a completely and hopelessly lost position, they would make 1 move a week to try to stall out the game to control their losses and rating losses. It used to annoy the ever living hell out of me, but I got over it. It doesn't happen as much as it used to.
Why are you playing those chess games when you have days to think and move? If you like to have a lot of time to think, you can play a 30 minute game. Taking days to move a few moves in a chess match is an overkill in my opinion and your opponent can stall unreasonably.
I've had people do this to me in correspondence where they have multiple days to move. In a completely and hopelessly lost position, they would make 1 move a week to try to stall out the game to control their losses and rating losses. It used to annoy the ever living hell out of me, but I got over it. It doesn't happen as much as it used to.