Jiri Lehecka claimed the Brisbane International men's title after Reilly Opelka retired with an injury while trailing 4-1 in the opening set.

Citing a back injury, American Reilly Opelka retired from the Brisbane International final down 1-4 to Jiri Lehecka.

Jiří Lehečka won the Brisbane International after just 13 minutes of match play in the final, with giant American Reilly Opelka succumbing to a back injury.

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

Reilly Opelka follows his bif win over Novak Djokovic at Brisbane International with a semifinal victory over Giovanni Mpetshi Perricard.

Did anyone expect Novak Djokovic's comfortable victory over Reilly Opelka in Brisbane? Certainly not! However, the Serb was the massive favorite in the quarter-final. Still, Reilly stunned Novak 7-6, 6-3, securing a place in the semi-final!

Czech Jiri Lehecka has won the Brisbane International after feelgood story Reilly Opelka retired with a back complaint when trailing 4-1 in the final.