U.S. DAVIS CUP TEAM FACES BELGIUM IN QUARTERFINALS THIS WEEKEND ON TENNIS CHANNEL Americans Jack Sock, Sam Querrey, John Isner, Ryan Harrison and Steve Johnson Fight to Reach the Semifinals for the First Time Since 2012 Tennis Channel Plus to Cover Other Three Quarterfinals Live Friday through Sunday   LOS ANGELES, April 5, 2018  - Tennis Channel will provide … [Read more...] about Tennis Channel to Air U. S. Davis Cup Tie vs. Belgium, Along with Three Other Davis Cup Quarterfinal Ties