Red Group:
1. Roger Federer
2. Ivan Ljubicic
3. Andy Roddick
4. David Nalbandian
Gold Group:
1. Rafael Nadal
2. Nikolay Davydenko
3. Tommy Robredo
4. James Blake
Just by looking at the head to head records for everyone in their group. Federer & Roddick are the clear favorites to come out of the Red Group and Blake & Nadal are the clear favorites to come out of the Gold Group. So it looks like Federer & Blake in the Final.
1. Roger Federer
2. Ivan Ljubicic
3. Andy Roddick
4. David Nalbandian
Gold Group:
1. Rafael Nadal
2. Nikolay Davydenko
3. Tommy Robredo
4. James Blake
Just by looking at the head to head records for everyone in their group. Federer & Roddick are the clear favorites to come out of the Red Group and Blake & Nadal are the clear favorites to come out of the Gold Group. So it looks like Federer & Blake in the Final.