Kei Nishikori started his maiden campaign at the ATP Finals with a 6-4, 6-4 win over home favorite Andy Murray on Sunday. The fourth-seeded Japanese -- the first Asian player to qualify for the year-end championship -- was in complete control and secured important points in a tough Group B that also includes Roger Federer and Milos Raonic. Read more http://espn.go.com/tennis/story/_/id/11846717/2014-atp-finals