ranked Rafael Nadal has been placed in the same group as Novak Djokovic in the draw for the season-ending ATP World Tour Finals in London. No. 2 Roger Federer faces Paris Masters champion Robin Soderling in his group, along with home favorite Andy Murray and David Ferrer of Spain. Nadal and Djokovic are joined by Tomas Berdych and American Andy Roddick in Group A. Last year's winner, Nikolay Davydenko, failed to qualify. The top two players from each round-robin group will contest the semifinals at London's O2 Arena. The tournament begins Sunday, with the final on Nov. 28. Group A: Rafael Nadal, Novak Djokovic, Tomas Berdych, Andy Roddick. Group B: Roger Federer, Robin Soderling, Andy Murray, David Ferrer.