Novak Djokovic remains one of the best tennis competitors today. At the age of 37, we have yet to see a decline in the Serbian star’s level of performance.

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.

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

Novak Djokovic‘s mid-match retirement from the semifinal against Alexander Zverev at the Australian Open sparked controversy. He was booed by the crowd at Rod Laver Arena when he was leaving the court,

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.

Novak Djokovic was booed off court after his Australian Open semi-final was cut short due to injury, and his Davis Cup captain issued a passionate defense.

Novak Djokovic has been defended by Serbia's Davis Cup captain as he called for an Australian broadcaster to be fired.

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,

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.