World No.1 Jannik Sinner is on top of the tennis world at the moment. The Italian won his second Australian Open title and third Grand Slam title overall at Rod Laver Arena last month.

GO FURTHER Australian Open final: Jannik Sinner beats Alexander Zverev for third Grand Slam title Getty Images Jannik Sinner 6-3 7-6(4) 6-3 Alexander Zverev First serve out. Drop shot from Sinner ...

There was clearly an in-joke going on and when Courier asked “why is that funny ... tomorrow’s practice.” Jannik Sinner speaking to Jim Courier post match. Photo: Stan Sport We’re ...

Jannik Sinner, in spite of being in the midst of a huge doping controversy, has maintained his composure and didn’t let the uncertainty affect him. Top ...

(AP Photo/Manish Swarup) Jannik Sinner of Italy plays a backhand return to Ben Shelton of the U.S. during their semifinal match at the Australian Open tennis championship in Melbourne, Australia ...