NEW YORK (Reuters) - Liezel Huber and Bethanie Mattek-Sands swept aside Russians Elena Dementieva and Alla Kudryavtseva in the decisive Fed Cup doubles on Sunday to earn the United States a place in the final against Italy.

With the best-of-five tie locked at 2-2, the U.S. duo eased to a 6-3 6-1 victory in front of cheering crowds on the indoor hard court in Birmingham, Alabama.

"This is awesome," a beaming Mattek-Sands said courtside after sealing victory with a crunching forehand winner down the line, the Russians having been broken four times in the second set. "We had a blast out there."

The Italians crushed Czech Republic 5-0 in their semi-final in Rome earlier on Sunday.

Earlier, Mattek-Sands had kept American hopes alive by battling past Ekaterina Makarova 6-4 2-6 6-3 after Dementieva had beaten Melanie Oudin to give Russia a 2-1 lead.

Ranked 129th, Mattek-Sands broke world number 62 Makarova three times in the final set of the reverse singles encounter before wrapping up victory in just over two-and-a-half hours.

Continually cheered on by loud chants of "USA, USA, USA" from the partisan crowd, Mattek-Sands threw her racket and both arms into the air in celebration after the match ended with the Russian left-hander hitting a forehand long.

"It is great playing in the U.S., having the home crowd," the American said. "They really helped me pull it out in my singles. I was getting some tough calls and she was playing good."


Neither player held serve for the first 10 games before an error-strewn first set went into a tiebreak which Dementieva clinched 7-4 after winning the last four points.

Baseliner Oudin, shouldering the burden of being America's number one after Serena and Venus Williams declared themselves unavailable, then broke the erratic Russian in the first, third and fifth games of the second set to level the match.

Although Dementieva was again broken in the third game of the final set to trail 1-2, she won the next four games before sealing victory when Oudin hit a forehand long.

(Writing by Mark Lamport-Stokes in Los Angeles; Editing by Dave Thompson/Greg Stutchbury)