World number six Novak Djokovic has pulled out of Serbia's Davis Cup first-round qualifying tie due to injury, the country's tennis federation (TSS) said.
Djokovic, who was set to represent Serbia in their January 31-February 2 meeting with Denmark in Copenhagen, retired due to a hamstring injury in his Australian Open semi-final match against Alexander
"We are weakened by not playing Novak, but we are still going for the win. The Danes have a great player in Holger Rune, but our players are also great and I believe in my team," Serbia captain Viktor Troicki said.