Attackers: commit the defender at pace and beat them with a change of direction and acceleration. Defenders: close down quickly, stay low and patient, and show the attacker away from goal.
Mark a 20x12m channel with a mini goal at one end and a starting gate at the other. The attacker starts through the gate with the ball; the defender starts in front of the goal and closes down as soon as the attacker's first touch is taken. The attacker scores in the mini goal; the defender wins by forcing the ball out of the channel or winning it cleanly. Swap roles every two reps.
Fork it into your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block.