The coach is about halfway between the service line and baseline, ad side.
The player(s) begins the drill at the baseline, opposite side from the coach.
Drill:
(1) The coach will feed a deep ball to a player who will hit a groundstroke (forehand or backhand) back to the coach (2)
(3) The coach will block the ball back sending it over the net as a drop-shot; the player runs to get it and send it back over the net (4) anywhere in the court (preferably deep or short angle);
(5) The last feed from the coach will be a lob; the player executes an aggressive overhead (6) after which will exit the court making room for the next player to take his turn.

hit-run-finish