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‘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,

Novak Djokovic’s quest for a record 25th grand slam title has been cut short at the Australian Open after he stunningly retired from his semifinal match due to a left leg injury.

When it comes to effort on the tennis court, few players can compare to the legendary Jimmy Connors. The eight-time Grand Slam champion built a reputation for being one of the most hard-working players on the ATP Tour.

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

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 was forced to retire hurt from the Australian Open semifinals - and the Serbian may not be back in action until the French Open.