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!

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

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

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.