Originally Posted by EDK
Same thing happened to me in a ladder match. Guy wanted to warm up with old balls, then start the match with new ones. Not sure if he wanted to preserve the life of the balls just for match play. I wonder what the pros do for their warm up...use new balls? Then proceed with those into the first set?
Pros warm up with the same balls they play with. After the first 7 games, they change balls and after that they change balls every 9 games.