Serve Value: A New, Digital Way to Measure a Tennis Stroke
VIEW AND DOWNLOAD WORLD TENNIS GAZETTE VOL. 12 NO. 9 By JOHN MARTIN SERVE: Djokovic asked ‘Hit more aces?’World Tennis Gazette/John Martin MELBOURNE, Australia — As Jim Courier leaned forward, he tilted his microphone toward Novak Djokovic, who had just defeated Yoshihito Nishioka of Japan in the third round of […]