It could end up being a Murray v Djokovic showdown in London ; however , if Djokovic wins in Paris .
Murray fails to make the semi-finals , the Serb would retain Murray 's end - of - year ranking for a third consecutive year .
It could end up being a Murray v Djokovic showdown in London ; however , if Djokovic wins in Paris and Murray fails to make the semi-finals , the Serb would retain his end - of - year ranking for a third consecutive year .