Andy Murray drawn with Roger Federer at ATP World Tour Finals

Andy Murray has been drawn in the same group as six-time champion Roger Federer at the ATP World Tour Finals in London.

The pair will go head to head in Group B alongside Japan's Kei Nishikori and Canadian Milos Raonic.

Meanwhile, defending champion Novak Djokovic will face Stanislas Wawrinka, Tomas Berdych and Marin Cilic in Group A.

The annual end-of-season tournament gets underway on Sunday.