Oh undoubtedly, I'm not saying that it's easy at all, quite the opposite in fact. I'm just saying that because of the nerves the path of least resistance would be to hit the ball where you're most comfortable. Try and take the nerves out of the equation as much as possible.
I saw an interview...
I'm the same. I mean, I know the pressure is unique, and goodness knows their legs may well have felt like jelly but I'm a fan of hitting it as hard as you can to the side that suits your dominant foot. All of those penalties were savable if the keeper gambles correctly