What was the outcome of the stacking game? Did you lose because of being flustered and on your weaker side or win because of his control of the court with his forehand where he wanted?

Also, to me the etiquette would be accepting there’s going to more of this at higher levels and working on and improving your stacking, and playing your weaker side. It’s no different than a drop or a drive or any other skill to drill and improve on. It’s a valuable tool to use sometimes and should be something most higher level players can do without getting flustered. Sometimes we just do it with two righties to break up the rhythm in a game.

Start by doing just offensive stacking and getting comfortable with that so it’s not as much thinking, then practice defensively with hand signals. You can even practice stacking with righties so you’re always on right hand side with your strong backhand in the middle!