After an early exit to Sergiy Stakhovsky at Wimbledon he contacted Wilson to provide him with a new weapon encompassing a larger head that offered a greater sweet spot and a more guaranteed strike zone .
Wilson is whose rackets he has used since boyhood .
After an early exit to Sergiy Stakhovsky at Wimbledon he contacted Wilson , whose rackets he has used since boyhood , to provide him with a new weapon encompassing a larger head that offered a greater sweet spot and a more guaranteed strike zone .