Are Jannik Sinner and Anna Kalinskaya still together? It's hard to tell. The two have not been photographed together lately, nor have they shared couple photos on their profiles. No one knows.

Jannik Sinner clinched his second consecutive Australian Open title with a dominant performance against Alexander Zverev in a highly anticipated final. The World No. 1 cut a stylish figure as he ...

(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 ...

(AP Photo/Asanka Brendon Ratnayake) MELBOURNE, Australia — Of all the praise bestowed on Jannik Sinner after he won his second consecutive Australian Open championship, and third Grand Slam ...

Jannik Sinner, 23, became the youngest man to win back-to-back Australian Open titles since Jim Courier in 1992-93. AP Photo/Asanka Brendon Ratnayake Sinner would get another chance in the eighth ...