
Australian Open semi-finalist Karen Khachanov is at the centre of a political row after using his matches to voice support for the breakaway region of Artsakh.
Historically part of Armenia, Artsakh, or the Nagorno-Karabakh Republic, is internationally recognised as part of Azerbaijan and has been the source of two conflicts since 1990 as well as frequent skirmishes, including what is currently being described as a blockade.