BELGRADE, Serbia (AP)—John Isner of the United States will make his Davis Cup debut against Viktor Troicki in the first round against Serbia on Friday.
The draw on Thursday pits Sam Querrey against Novak Djokovic for the second singles.
In doubles Saturday, top-ranked Bob and Mike Bryan will face Nenad Zimonjic and Janko Tipsarevic.
This will be the first time since 2000 that neither Andy Roddick nor James Blake will be on the U.S. team. Serbia will be trying to progress beyond the first round in the World Group for the first time.