Jannik Sinner is a shooting star in tennis, and the World No. 1 has already received a few nicknames and monikers from fans. Some like to reference Sinner's bright red hair with "Carrot Top," while others give the nod to his childhood name as the "Fox.

Defending champion Jannik Sinner has defeated 46th-ranked Marcos Giron of the U.S. 6-3, 6-4, 6-2 at the Australian Open.

While Sinner will take on Rune, the other matches will see Italy's L. Sonego take on L. Tien who managed to get past Medvedev on his way here.