DUESSELDORF, Germany -- John Isner and Sam Querrey beat Carsten Ball and Paul Hanley in doubles Monday to give the United States a 2-1 victory over Australia at the World Team Cup.
With brothers Bob and Mike Bryan still en route from Madrid after claiming their record-tying 61st doubles title, the American duo won 5-7, 6-4, 10-8 in a champions tiebreaker.
The match was played in a largely empty stadium after several rain delays disrupted the schedule.
Also in the Red Group, the Czech Republic clinched a win over Spain after Tomas Berdych outlasted Nicolas Almagro 6-7 (4), 6-4, 6-3 to give his team a 2-0 lead ahead of the doubles.
Each series in the round-robin format consists of two singles and a doubles match, played over two days. The winner of each group will meet in Saturday's final.
In the Blue Group, France defeated Germany 2-1 after Jeremy Chardy and Nicolas Mahut beat Christopher Kas and Philipp Kohlschreiber 6-3, 3-6, 10-5 in the doubles.
Argentina beat Serbia after Juan Monaco rallied for a 1-6, 6-3, 7-6 (3) win over Viktor Troicki for a 2-0 lead after the singles. Troicki then teamed with Nenad Zimonjic to beat Eduardo Schwank and Horacio Zeballos 6-1, 3-6, 10-8 in a meaningless doubles match.