![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEil7Y0_5u3eO7BKbBmSrvqROKyOWoBiCd9LZQ1741vH1DCoFhQXQ4oh1lj7yFfiqkmMekCrQGsyPoRWo0RaE1RvPq4dCy_qY2pyRTAVBeBfbexdBx3QaDXcong8StJTvdCay9bbvA/s400/cd09af3398deb1d363738d065f8c02db-getty-92953063jf007_barclays_atp_.jpg)
Here's the full line-up for Group A and Group B for singles and doubles. Personally I think both groups in the singles round robin are equally tough.
Let's see who will FTW!
Singles round robin groups for the ATP World tour finals:
Group A
Roger Federer
Andy Murray
Juan Martin del Potro
Fernando Verdasco
Group B
Rafael Nadal
Novak Djokovic
Nikolay Davydenko
Robin Soderling
Doubles round robin groups for the ATP World Tour finals:
Group A
Daniel Nestor/Nenad Zimonjic
Mahesh Bhupathi/Mark Knowles
Frantisek Cermak/Michal Mertinak
Mariusz Fyrstenberg/Marcin Matkowski
Group B
Bob Bryan/Mike Bryan
Lukas Dlouhy/Leander Paes
Lukasz Kubot/Oliver Marach
Andy Ram/Max Mirnyi
(Images via Yahoo! Sports)