Former Serbian tennis star Viktor Troicki says the Australian Open crowd booing an injured Novak Djokovic was a plain disrespectful and disappointing move. Moments after Alexander Zverev won the first set 7-6 (5) which lasted an hour and 21 minutes, the record 10-time Australian Open winner walked to the net and retired.

Former World No. 1 and now a well-known podcaster, Andy Roddick, has issued a warning to Novak Djokovic regarding his latest injury struggle. The American believes that the Serbian’s muscle tear could mark the beginning of the end for the 24-time Grand Slam champion.

Facing Sinner reminded Alexander Zverev of trying to solve the challenge presented by the 24-time major champion Djokovic.

Andy Roddick thought the Australian Open crowd was plain disrespectful when booing Novak Djokovic as the American tennis legend said felt "icky" to see the Serb getting treated that way when it was maybe his last appearance at Melbourne Park.

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.

Andy Roddick has admitted he 'felt icky' after seeing Australian Open fans turn on Novak Djokovic at the recent tournament in Melbourne. Djokovic decided to withdraw from his semi-final clash against Alexander Zverev on Friday,