The line up is a classic cue ball control drill — all the balls racked along the centre line, pot them in order while keeping the cue ball on the line the whole time. Simple idea, surprisingly unforgiving. If you want to try it yourself, the practice mode lets you set up the line up and have a go.

The early balls are straightforward, but cue ball position compounds — one slightly off shot makes the next awkward, and the run unravels from there. This replay shows a clean clearance.

Replay here.