World number one Andy Murray has opted out of Britain’s trans-Atlantic trip to Ottawa where Canada will be without fourth-ranked Milos Raonic for the World Group opener. Meanwhile, Australian Open champion Roger Federer and world number three Stan Wawrinka miss Switzerland’s tie in the United States. Russia, who won the last of their two titles in 2006, will be led by world number 52 Karen Khachnov. Australia, the 28-time champions, face a Czech side led by world number 54 Jiri Vesely in the absence of world number 12 Berdych. World number three Raonic is missing after injuring his groin in his quarter-final loss to Nadal.

Source: Viet Nam News February 02, 2017 09:15 UTC