KEY BISCAYNE, FL - MARCH 28:  Fans gather at the ticket booth for refunds and exchanges after Tomas Berdych withdrew from his semi final match against Rafael Nadal due to gastroenteritis on day 12 of the Sony Open at Crandon Park Tennis Center on on March 28, 2014 in Key Biscayne, Florida.  (Photo by Al Bello/Getty Images)