Novak Djokovic says he will return to the Australian Open next year if he is "fit, healthy and motivated" after retiring from his semi-final with injury.

Novak Djokovic faces Alexander Zverev in the semi-finals of the Australian Open on Friday with the Serb's bid for a record 25th Grand Slam title picking up steam at just the right time.

But Gauff was upset in the Australian Open quarterfinals by No. 11 Paula Badosa of Spain. On the men’s side, Italian Jannik Sinner is the defending champion and No. 1 seed. Sinner is playing while awaiting a Court of Arbitration for Sport verdict of a World Anti-Doping Agency appeal of his doping case.

The Madison Keys who will play two-time defending champion Aryna Sabalenka for the title at the Australian Open on Saturday night is not the same Madison Keys who was the runner-up at the U.S.

Defending champion Aryna Sabalenka will battle American 19th seed Madison Keys in the final on Saturday looking to become the first woman since Martina Hingis from 1997-99 to win the Australian Open title three times in a row.

Jannik Sinner (No. 1 ranking) will face Ben Shelton (No. 20) in the semifinals at the Australian Open on Thursday, January 23.Sinner enters the semifinals after winning in three sets, 6-3, 6-2,