If you aren't able to punish him for staying back and hitting slice groundstrokes, why should he quit doing it? What would it gain him to hit topspin or flat?
Slice is only a disadvantage if you are able to take the slower bounce and punish it with your groundstrokes or on passing shots where there is less margin for error hitting a ball hard and keeping it within the court.
Unless you are Jimmy Connors, able to beat Ken Rosewall decisively in the finals of Wimbledon, give the slice shot the respect it deserves. The rest is just the quality of the players themselves.
Last edited by NLBwell; 07-14-2012 at 02:41 PM.