Kei Nishikori (JPN) DAY 1 Before the match between Nishikori and Djokovic,won by Djokovic with a double 6-1,there was a minute of silence to remember the victims of the recent terrorist attacks in Paris. Tennis - 2015 Barclays Atp World Tour Finals - Grand Slam ATP / WTA - O2 Arena - London - England - UK - 15 November 2015.