The 19-year-old Croat takes out his frustration on his racquet after dropping the first set to Ivan Dodig in Toronto.
The 22-year-old Canadian has elected to play the Olympic Games after much deliberation.
The World No. 1 will sit out next week's Rogers Cup due to an ailing shoulder.
Novak Djokovic's bid for a fourth Rogers Cup title could see him face Milos Raonic in the semis.
Gstaad finalist reveals his favorite serve-and-volleyer and long-term goal.
The Swiss maestro will turn to the mixed-gender team competition for the first time since 2002.
Former world No. 1 on four items she never travels without and her biggest weakness.
