GIJON, Spain, Sept. 4 (UPI) -- World No. 10 John Isner and 28th-ranked Sam Querrey have been tabbed to play singles for the United States in its Davis Cup semifinal against Spain.
Isner is 5-3 in Davis Cup singles matches, including wins this year over No. 1-ranked Roger Federer and sixth-ranked Jo-Wilfried Tsonga as the U.S. team defeated Switzerland and France to get to the semifinals.