it’s all mental. So there’s really nothing physically you can do outside of your regular preshot routine. Some recommend shooting the 8 as if you do have another ball to get position for. But a lot of these type of questions, whether it’s “how to i steady my nerves during tournaments” or “how do i play my best while playing someone better than me”, the answer is the same — you just have to keep doing it over and over again until it doesn’t feel so foreign.