Here's what Reilly Opelka told Novak Djokovic at the net after his stunning upset win vs. the World No. 7 at the Brisbane International.

Novak Djokovic was beaten 7-6 (6), 6-3 by big-serving Reilly Opelka in the Brisbane International quarterfinals on Friday.The 37-year-old Djokovic was playing his first tournament of the year. The 24-time Grand Slam champion is preparing for the Australian Open,

Reilly Opelka kept it straight honest following his shock win over Novak Djokovic, admitting that he played freely and didn't feel any pressure because he was playing "the greatest player of all time" and didn't have any expectations.