Serbia Davis Cup captain Viktor Troiki has slammed the treatment of Novak Djokovic after he was booed off court following his retirement at the Australian Open. After losing the first set of his semi-final against Alexander Zverev, the 24-time Grand Slam champion was unable to continue and handed his German rival a walkover win.

A week after a hamstring injury ended his run at the Australian Open, Novak Djokovic, 37, withdrew from Serbia's Davis Cup first-round qualifier, the country's tennis federation said on Tuesday, a move captain Viktor Troicki said has "weakened" the team.

Novak Djokovic has withdrawn from Serbia's Davis Cup tie against Denmark because of a hamstring injury. The 24-time Grand Slam champion was booed off court by some Australian Open fans last week when he retired with the issue after losing the first set of his semi-final against Alexander Zverev.

Serbian Davis Cup captain Viktor Troicki has demanded Channel Nine commentator Tony Jones be banned from covering tennis for life following controversial comments about Novak Djokovic at the Australian Open.

Novak Djokovic’s attempts to set up a ‘players union’ have struggled to get off the ground, but now his Professional Tennis Players Association (PTPA) have announced a hugely significant financial boost to its members.