Technique: you must demonstrate a good level of accuracy, power and consistency on all your shots around all 4 corners of the court, even when under moderate pressure.
Tactics: you must demonstrate a basic knowledge of doubles tactics and positioning during a rally.
Serve: you must be able to low serve consistently with the ability to flick deceptively on occasion.
Movement: you must be mobile enough around the court to maintain a rally during a long game and show that you have some basic knowledge of footwork patterns.