Berdych won a singles match Friday and teamed with Radek Stepanek for a doubles win Saturday as the Czechs earned a third spot in the cup finals in the last five years.
The Czechs beat Spain in winning the 2012 Davis Cup. They'll go against Serbia, which got singles wins Sunday from Novak Djokovic and Janko Tipsarevic in earning its second Davis Cup final by getting by Canada 3-2. Serbia won the cup in 2010.
The Davis Cup final is set for Nov. 15-17 in Serbia,
With the cup semifinals going on, there were no ATP tournaments last week but Federer still moved ahead of Berdych in the rankings. Federer is now fifth while Berdych goes to sixth.
That was the only change in the ATP Top 10 this week.
Djokovic has been ranked No. 1 in the world for the last 46 weeks and 99 weeks overall. The 46-week string is tied with Bjorn Borg and Rafael Nadal for 15th longest. Nadal also has a 56-consecutive-week string atop the rankings. Djokovic's 99 weeks as No. 1 is ninth most, two behind Andrea Agassi and three back of Nadal.
No. 8-ranked Jo-Wilfried Tsonga, the defending champion of the Moselle Open in Metz, France, is the only Top 10 player entered into an ATP event this week. No. 17 Fabio Fognini tops the field at the St. Petersburg Open in Russia.
The ATP Top 10, listing player's name, home country and ranking points:
1. Novak Djokovic, Serbia, 11,120
2. Rafael Nadal, Spain, 10,860
3. Andy Murray, Great Britain, 7,075
4. David Ferrer, Spain, 6,710
5. Roger Federer, Switzerland, 4,515
6. Tomas Berdych, Czech Republic, 4,460
7. Juan Martin del Potro, Argentina, 4,425
8. Jo-Wilfried Tsonga, France, 3,425
9. Richard Gasquet, France, 3,165
10. Stanislas Wawrinka, Switzerland, 3,150