Final round-robin results:

GROUP A

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Matches Won/Lost
Sets Won/Lost
Games Won/Lost
Rafael Nadal
3-0
6-1
39-30
Stanislas Wawrinka
2-1
4-4
48-39
Tomas Berdych
1-2
4-4
38-39
David Ferrer
0-3
1-6
25-42

GROUP B

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Matches Won/Lost
Sets Won/Lost
Games Won/Lost
Novak Djokovic
3-0
6-3
50-40
Roger Federer
2-1
5-3
43-42
Juan Martin del Potro
1-2
4-5
48-48
Richard Gasquet
0-3
2-6
37-48

After each player has played every other player in his group, the top two players from each group will advance to the semifinals. (Players in bold have clinched a spot in the semifinals.)