DAVIS CUP: U.S. ADVANCES TO WORLD GROUP SEMIFINALS By Junior Williams (April 7, 2018) NASHVILLE, Tenn.  - The United States has secured a spot in the Davis Cup World Group Semifinals for the first time in six years. Jack Sock and Ryan Harrison defeated Belgium's doubles team Sander Gille and Joran Vliegen, 5-7, 7-6(1), 7-6(3), 6-4 at Belmont … [Read more...] about Davis Cup: U.S. Advances to World Group Semifinals