Japan's world No. 9 Kei Nishikori will meet No. 3 Roger Federer on the opening day of the ATP Finals this weekend, it was revealed as the draw for the tour's season finale was made Monday night in London.Nishikori, who plays six-time year-end champion Federer in the evening session on Sunday, qualified for the Nov. 11-18 event along with Federer, Novak Djokovic, Alexander Zverev, Kevin Anderson, Marin Cilic and Dominic Thiem.John Isner was a last-minute replacement for Rafael Nadal, who ended his season with a late withdrawal from the ATP Finals due to an abdominal injury that forced him ou…READ FULL ARTICLE