Round robin groups for the ATP World Tour Finals in London:
Group A
Rafael Nadal (ESP)
Novak Djokovic (SRB)
Tomas Berdych (CZE)
Andy Roddick (USA)
Group B
Roger Federer (SUI)
Robin Soderling (SWE)
Andy Murray (GBR)
David Ferrer (ESP)
Play begins on Sunday with Soderling taking on Murray and Federer facing Ferrer. On Monday, Djokovic takes on Berdych and Nadal will face Roddick. No. 1 Nadal hasn’t played since the Shanghai Masters in October and has never won the ATP World Tour Finals.
The world’s top two pairings, Bob and Mike Bryan and Daniel Nestor and Nenad Zimonjic, head their groups in the eight-team doubles event.