Players start in two lines, one behind the deuce service box and the other behind the advantage box.
Coach feeds balls alternately to players on their left and right. Players on the coach's left hit forehands and those on coach's right hit backhands.
Players are aiming to put the ball away, as close to the baseline as possible.
After playing the shot players loop around to the outside and join the back of the other line.
Players can perform dynamic stretches on their way to the back of the other line (heel flicks, grapevine etc)...
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."
The variety of sessions across sports - sometimes we steal session ideas from one sport and use them with another.