After taking a 2-0 lead over Brazil in the opening round of the 2013 Davis Cup on Friday, the United States could advance to the second round with a doubles victory on Saturday.
Americans Mike Bryan and Bob Bryan will take on Brazilians Marcelo Melo and Bruno Soares at 2 p.m. ET in Jacksonville. Television coverage begins at 2 p.m. ET on the Tennis Channel. The teams have met three previous times in tournaments, with Melo and Soares holding a 2-1 head-to-head advantage.
The Americans moved closer to advancing with two wins by singles competitors on Friday. John Isner, who upset Roger Federer last year, defeated Thiago Alves 6-3, 7-6 (6-4), 6-3 in one match and Sam Querrey beat Thomaz Bellucci 6-3, 6-4, 6-4 in the other.
The Americans are seeded sixth in this year's competition. If they advance, they will face the winner of the Serbia-Belgium matchup. Serbia's team features star Novak Djokovic.