
Novak Djokovic's quest for a century of ATP titles has been crushed by tennis feel-good story Reilly Opelka, who has instead served up an intriguing Brisbane clash of his own.
The giant American upset Djokovic 7-6 (8-6) 6-3 on Friday night to leave the 24-time grand slam champion stranded on 99 titles ahead of the Australian Open.