Over his legendary tennis career, it has always been foolish to write off 24-time Grand Slam title winner Novak Djokovic.

BRISBANE, Australia — Novak Djokovic was beaten 7-6 (6), 6-3 by big-serving Reilly Opelka in the Brisbane International ...

The 24-time Grand Slam champion lost fairly handily to 6-foot-11 American Reilly Opelka, 7-6 (6), 6-3, in the quarterfinals ...

Djokovic is in search of his 25th Grand Slam title at the Australian Open, but fell short of the semifinals at his warm-up ...

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

Recap, quotes, and highlights from Reilly Opelka's upset victory over Novak Djokovic in the Brisbane International.

Thus, Djokovic experienced his worst defeat in terms of the opponent's ranking since the retirement against Filip Krajinovic ...

Novak Djokovic was beaten 7-6 (6), 6-3 by big-serving Reilly Opelka in the Brisbane International quarterfinals ...

Novak Djokovic suffered a massive upset at the Brisbane International on Friday. Competing in his first tournament since ...

Novak Djokovic has sent a message to former coach Goran Ivanisevic, with whom he parted ways in March last year after nearly ...

Reilly Opelka kept it straight honest following his shock win over Novak Djokovic, admitting that he played freely and didn't ...

Novak Djokovic's hunt for a landmark 100th ATP title ended with a whimper following an unexpected 7-6(6) 6-3 defeat by ...