An injured Novak Djokovic has quit after dropping the first set of his Australian Open semifinal against Alexander Zverev

Novak Djokovic is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments

Will Aryna Sabalenka be the first woman in a quarter-century to win three consecutive Australian Open titles or will Madison Keys win her first Grand Slam trophy

Defending champion Jannik Sinner has overcome some third-set cramping to beat Ben Shelton 7-6 (2), 6-2, 6-2 to return to the Australian Open final as he pursues a third Grand Slam title

Defending champion Jannik Sinner beats Ben Shelton 7-6 (2), 6-2, 6-2 to return to the Australian Open final

Why is everyone so angry at what long has been known as the Happy Slam

Madison Keys saved a match point and upset No. 2 Iga Swiatek 5-7, 6-1, 7-6 (10-8) in a high-intensity Australian Open semifinal to reach a Grand Slam title match for the second time in her career

Madison Keys upsets No. 2 Iga Swiatek in a third-set tiebreaker to reach her first Australian Open final

Aryna Sabalenka reaches her third straight Australian Open final by beating Paula Badosa 6-4, 6-2