I use a extreme western grip and hit most of my forehand with heavy topspin. I found that I could always create quite a few opportunities using heavy topspin to pressure my opponent to return my shot with little pace and depth. But most of the time I could not hit a clean flat winner because I don't know how to flatten out the shot with my extreme weastern grip. I happen to notice that Nadal doesn't hit a flat winner that much either. Can one hit flat with extreme western grip? If so, can someone share some experience? Thanks a bunch!!!