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,

Ben Shelton's Australian Open quarterfinal foe, Lorenzo Sonego, produced the shot of the tournament — diving to his left for a volley with so much spin that the ball bounced on one side of the net, then floated back over to the other — but it was the American who ended up with the victory Wednesday.

Jannik Sinner takes on Ben Shelton in the Australian Open semi-finals as the world No 1 seeks to defend his title. Sinner is looking to add a third grand slam to his collection, having won last year in Melbourne and again in New York at the end of the season.