Then you need to do more drills! Sounds stupid, but you really need to do the drills so much that moving that way around the court becomes instinctual. Of course there'll always be certain situations that you haven't practiced beforehand, but if you're able to adapt even the slightest bit there should be no problem once you get the correct footwork patterns down. Most important thing in footwork: split step. To get it right, you need to practice, practice, practice. It does not come naturally, so you need to remind yourself to use it in training, and long enough that it becomes subconscious. I can only agree with Footwork - watch the Peter Rasmussen video, and start with that drill. At least 15 min per training of footwork!