Don't allow the ball into the low post (a box one-metre square basically below the middle of the new FIBA block), force him to receive the ball below, above or behind the square. Play in front if he is close to the paint, play 3/4 if he is close to the baseline. Keep your feet above his feet to stay in the passing lane. Deny the corner, deny a flash pivot. Stay behind on a catch one step outside the paint, which is what you want in order to help with perimeter players once he starts to attack the basket on the dribble.
a) 1 on 1
5 passes across the top, X5 denies 5 on a cut to the low post, on a pass to the ballside wing, and when 5 moves out to the corner (in the video, X5 face fronts the low post in a closed stance, denying with his left hand).
Continue to deny on two more passes.
X4 and 4 go next.
b) 2 on 2 strongside help
X5 passes to coach, who passes to 3 breaking up from the corner, 5 posts ballside.
On a pass to 5, X3 takes one step towards the post, seeing ball and man, then helps if 5 dribbles, trying to steal the ball. Go live.
See Defending - Pasquali closeouts (help on the post and recover).
c) 4 on 4 strongside help
1 breaks for a pass from coach, passes to 3 (or 2), 5 posts ballside.
3 passes to 5, help comes from the strongside (except if 5 is close to the baseline), X3 and X1 step towards the ball, switch when 1 and 3 exchange, and try to steal the ball if 5 dribbles.
On ball reversal, repeat on the other side.
d) 2 on 2 weakside help
If the post gets the ball close to the baseline (below the one-metre box), force him to dribble baseline, help comes from the weakside on the dribble.
X5 passes to coach out top, who passes to the wing, 5 goes low ballside for a pass.
X5 forces 5 to dribble baseline, X3 helps from the weakside (go live).
e) 4 on 4 weakside help
1 gets a pass from coach, passes to 2, 5 moves low ballside.
2 passes to 5, X5 forces baseline, X3 helps on the dribble.
X1 takes the ball on a pass to 3, X3 takes open-man 1, X5 stays with 5.
Reverse the ball back to 2, repeat.