Kei Nishikori(JPN) DAY 3 Kei Nishikori(JPN) beat Tomas Berdych (CZE) 7-5 3-6 6-3 Tennis - 2015 Barclays Atp World Tour Finals - Grand Slam ATP / WTA - O2 Arena - London - England - UK - 17 November 2015.