Frances Tiafoe rolls over Andrey Rublev to reach US Open semi-final

2014 saw the first confrontation between rivals Andrey Rublev and Frances Tiafoe on the Flushing Meadows courts.

Rublev quickly ascended to the top of the sport when they made the switch to the professional circuit, while Tiafoe's route has been much less obvious. 

Nick Kyrgios throws racket-smashing tantrum after losing to Karen Khachanov