Novak Djokovic's semifinal match vs. Alexander Zverev at the Australian Open ended far sooner than the Serbian tennis star—or the paying public—would have liked on Friday afternoon at Rod Laver Arena in Melbourne.

Zverev will face defending Australian Open champion and No. 1 seed Jannik Sinner, who beat American Ben Shelton 7-6 (2), 6-2, 6-2, in Sunday's final. Zverev is pursuing his first major tournament title.

Djokovic is out of the Australian Open after retiring from his semi-final, with Zverev through to face Sinner on Sunday

An injured Novak Djokovic quit because of a torn muscle in his left leg after dropping the first set of his Australian Open semifinal against Alexander Zverev on Friday.

On Sunday, Alexander Zverev will chase his first Major title against Jannik Sinner in the Australian Open final. The German is through to his third Major final, hoping to lift his first notable trophy. Novak Djokovic backed Zverev to defeat Sinner and join tennis immortals!

In a stunning development at the Australian Open, Novak Djokovic withdrew because of injury after losing the first set of his semifinal match versus Alexander Zverev. Zverev, the No. 2 seed, won a grueling first set in a 7–6 tiebreaker that lasted one hour and 26 minutes.

The semifinals are scheduled to start at 10:30 p.m. EST and will be broadcast on ESPN and ESPN Deportes. Fans looking to watch can do so for free through FuboTV, which offers a free trial and $30 off your first month, or DirecTV Stream, which offers a free trial. SlingTV doesn’t offer a free trial but does have other promotional offers available.

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

Jannik Sinner has etched his name in tennis history with a stunning Australian Open victory, defeating Alexander Zverev 6-3, 7-6(4), 6-3 in the final. The Italian world number one secured his third Grand Slam title,