The 2015 Barclays ATP World Tour Finals kicked off in London’s O2 Arena on Sunday November 15. It is the 46th edition of the year-ending finale for top eight ATP ranked players and the 41st for the doubles. The players/teams have been split into two Groups of 4 each and they are playing in a Round-Robin format on O2’s indoor hard courts. Thus, each singles players will play three matches each and the doubles’ teams will do likewise. The two best players/teams from each Group will progress to the semifinals, where winners from