Coach is in front of the player. Coach rolls the ball on the ground quickly after player serves the ball. Player's goal is to recover behind the baseline before ball goes between the legs.
Players like to stare at the ball after they serve. It is common mistake to land inside the baseline and don't recover behind it. Players have to make recovery automatic to make sure that they are ready for short and deep returns. Ball rolled on the ground is a great tool that helps players to have visual recovery clue.
Indoor courts give players less time and less room. Help them sharpen their split step, shorten their swing and stay calm, and winter becomes a season of real progress.
A tiebreak is a short sprint where every point is worth the same as a break of serve. The players who win them are rarely the ones who hit hardest. Here is how to coach the patterns, habits and scoreboard thinking that win the big points.
Most club players practise the serve on its own and then have no idea what to do with the ball that comes back. Serve plus one is the pattern that turns a good serve into a won point.