Nick Kyrgios beats Daniil Medvedev on entertaining New York night

Nick Kyrgios finished Daniil Medvedev's guard of the US Open 

he acquired an exciting four-set win on an engaging night 

The 27-year-old Australian exhibited the entirety of his shot-production 

penchant for making show - in a 7-6 (13-11) 3-6 6-3 6-2 win in the last 16.

Medvedev, 26, will lose his positioning as world number one after

Wimbledon next in line Kyrgios proceeds to play another Russian, 

Khachanov arrived at his third Grand Slam quarter-last by outliving Spanish