Coach stands in front of the player and feeds random balls (Forehand, Backhand, Low, Short, Deep etc). Player has to react and adjust to incoming balls.
Variety is a great tool to practice reaction skills. Players can't know where the next ball will go because it reflects real tennis situation. Coach should also emphasize proper decisions during this exercise (When in defence, players should hit higher with more topspin; When in offence, players should be more aggressive).
Create a resolution to develop your coaching confidence by seizing the opportunity to discover new drills, turn ideas into action and seek advice from the coaching community.
World Rugby has reportedly conceded Aaron Smith's disallowed try in the World Cup final should have stood.
"It is not only useful for staff who are experienced but a valuable tool for those subject staff who have to take teams."