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

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

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

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

Top seed Novak Djokovic is out of the Brisbane International, beaten 7-6 (8-6) 6-3 in the quarter-finals by Reilly Opelka.

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

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

Novak Djokovic sent a brief message to his opponent after crashing out of the Brisbane International. Reilly Opelka pulled ...

Novak Djokovic 's preparations for the Australian Open have been rocked after he suffered a shock loss to Riley Opelka at the ...

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

NOVAK DJOKOVIC has suffered a shock straight sets defeat to 6ft 11in giant Reilly Opelka at the Brisbane International. The Serb, 37, is seeking a record-extending 11th Australian Open men’s ...