( CNN ) -- World number one Rafael Nadal has been drawn to play Novak Djokovic , Tomas Berdych and Andy Roddick in the group stage of the ATP World Tour Finals in London . The Spaniard was selected in Group A in the season-ending event , which sees the top eight players in the world compete against each other . World number two Roger Federer , from Switzerland , has been drawn in Group B alongside Sweden 's Robin Soderling , Briton Andy Murray and David Ferrer , of Spain . Murray will open the tournament against Soderling on Sunday at 1400 GMT with Federer taking on Ferrer at 2000 GMT . The following day Djokovic , from Serbia , will play Berdych , from the Czech Republic , at 1400 GMT , with Nadal taking on American Roddick in the evening . In rankings released on Monday , Soderling climbed to fourth after his victory at the Paris Masters on Sunday , and despite Murray slipping to fifth he is hoping home advantage can inspire him in London . He told his website : `` It 's an incredible atmosphere , a huge arena and it 's one of the biggest competitions in tennis behind the Grand Slams , so I 'm really looking forward to it . `` The last couple of weeks were n't as good as I 'd have liked , although I actually won my first doubles competition with my brother , which was cool , but playing in front of a home crowd is always great . It would be a big one psychologically to win , so I 'll give it my best shot . '' Federer has also targeted victory at the World Tour Finals after his surprising defeat at the semifinal stage in Paris by Frenchman Gael Montfils . But Federer has an excellent record at the season finale with 29 wins and seven defeats since his first appearance in 2002 . `` I feel good . I 'm playing well . I think I have good chances maybe in London for winning , '' Federer told the ATP Tour 's official website . `` I feel good physically . In a way it is a relief that I was able to finish the tournament [ in Paris ] in good physical health . `` I 'm fresh mentally , too . This is the most important thing . Victories are important , but when you 're not fit and when you 're injured , it 's bad . So I think I 'm going to recover quite fast after that loss . `` It was not a bad match [ against Monfils ] . I 'm happy with my performance . Clearly with a victory I would have had big chances of winning the tournament . This is not the case , so now I have to look at the future . I 'm going to prepare for London . ''
Groupings for season-ending ATP World Tour Finals in London announced . Tournament sees top eight players in the world compete against each other . The tournament will be played at London's O2 Arena from July 12-14 and is expected to draw a record crowd of more than 100,000 fans. Roger Federer to face Robin Soderling , Andy Murray and David Ferrer .