JUAN MARTIN DEL POTRO was overwhelmed when he faced Roger Federer for the first time at the Grand Slam level at the 2009 Australian Open. Coming up against a player he openly admired, del Potro was unable to play at his normal level.
MADE POPULAR BY the likes of Andre Agassi and the Williams sisters, the swinging volley is a common stroke in the modern game. Although labelled a volley by defini- tion because the ball is struck before it hits the ground, technically the shot is similar to a groundstroke.
ANDY RODDICK POSSESSES one of the most powerful, effective serves on the circuit, consistently ranking among the best in total aces produced. Unlike most players, he uses an abbreviated service motion where during the moment he tosses the ball the racquet head is pointing up.