The groups have been picked for the Barclays ATP World Tour Finals.
Group A:
Rafael Nadal
David Ferrer
Tomas Berdych
Stanislas Wawrinka
Group B:
Novak Djokovic
Roger Federer
Juan Martin del Potro
Richard Gasquet
The tournament will begin on Monday, November 4, at the O2 Arena in London, and will end November 11.
Cover Photo (Creative Commons License): Tim Schofield