SYDNEY, AUSTRALIA - JANUARY 11: Pat Cash plays a forehand during the FAST4Tennis exhibition match between Mats Wilander and Pat Cash at Allphones Arena on January 11, 2016 in Sydney, Australia. (Photo by Zak Kaczmarek/Getty Images)
SYDNEY, AUSTRALIA - JANUARY 11: Pat Cash plays a forehand during the FAST4Tennis exhibition match between Mats Wilander and Pat Cash at Allphones Arena on January 11, 2016 in Sydney, Australia. (Photo by Zak Kaczmarek/Getty Images)