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Story summary
- Jannik Sinner returns to the Australian Open aiming for a third straight title.
- The Italian, 24, returns after overcoming a doping controversy that caused a three-month ban.
- He feels more prepared after beating world number one Carlos Alcaraz in the ATP Finals.
- Sinner's game has evolved with improved serving and greater unpredictability amid the Alcaraz rivalry.
- He aims to join Novak Djokovic, who achieved three straight titles at this Grand Slam.
