This is the most difficult pool challenge I've ever tried. It took me 5 days to complete all 15 balls. I was close 4-5 times, missed the last ball one time and also failed with 2-3 balls left several times. In the end I was lucky enough to play almost all the banks with perfect position on the next bank shot. Try this yourself, this drill is very fun as you can see. You can start with 3 balls on one side of the table, then 6 etc. I think even Efren Reyes would struggle with this challenge.

00:00 - Rage compilation
01:04 - 15 banks challenge
08:34 - Speeded up version