Defending champion Jannik Sinner overcame some third-set cramping and beat Ben Shelton to return to the Australian Open final as he seeks a third Grand Slam title.

Defending champion Jannik Sinner continued his sizzling Australian Open run with a 7-6(2) 6-2 6-2 win over American 21st seed Ben Shelton to reach a second straight final at Melbourne Park and book a meeting with Alexander Zverev.

Jannik Sinner fought through an attack of cramp to subdue his explosive young challenger Ben Shelton in three sets and keep his title defence on the road.