Result grid
Group A
Roger Federer
Novak Djokovic
Kei Nishikori
Tomáš Berdych
Points
Roger FedererFederer
3
Novak DjokovicDjokovic
2
Kei NishikoriNishikori
1
Tomáš BerdychBerdych
0
Group B
Rafael Nadal
Stanislas Wawrinka
Andy Murray
David Ferrer
Points
Rafael NadalNadal
3
Stanislas WawrinkaWawrinka
2
Andy MurrayMurray
1
David FerrerFerrer
0