OKLAHOMA CITY ? Pete Sampras and Andy Roddick each won their matches Friday to give the United States a 2-0 lead over Slovakia in the first round of Davis Cup play.

Sampras, playing Davis Cup for the first time since April 2000, lost a second-set tiebreaker and trailed 3-5 in the fourth set before rallying to beat Karol Beck 6-3, 6-7 (3), 6-1, 7-5. Roddick followed with a 6-4, 6-4, 6-7 (5) 7-6 (1) victory over Jan Kroslak.

The U.S. doubles team of James Blake and Mardy Fish can clinch the best-of-five series with a victory today over Kroslak and Beck.