Taylor Fritz, the U.S. Open finalist who lost to Sinner in New York, was also drawn in the Italian’s group alongside Australian Alex De Minaur, making his ATP Tour Finals debut; Casper Ruud and Andrey Rublev, who qualified as world No. 9 after Novak Djokovic withdrew, rounded out the second group.

Jannik Sinner and Carlos Alcaraz discuss their potentially era-defining rivalry ahead of the ATP Tour Finals in Turin.

Jannik Sinner capped a perfect group stage at the ATP Finals with a 6-3, 6-4 win over Daniil Medvedev on Thursday which eliminated his Russian rival. World number five Fritz joins the man who beat him in the US Open final in the next round after coming from behind to beat De Minaur 5-7,

Jannik Sinner and Carlos Alcaraz have been placed in different groups for the ATP Finals in Turin. That means the earliest they could meet is the semifinals.

Wimbledon champion Carlos Alcaraz suffered a surprising opening defeat to Casper Ruud at the ATP Finals in Turin, struggling with a stomach issue that hindered his usual Grand Slam-winning form. Ruud capitalized on Alcaraz’s lackluster performance,

Still plenty to play for in group Ilie Nastase, although the scenarios where Jannik Sinner doesn’t make the semifinals or Alex de Minaur does are mostly theoretical.

Alex de Minaur has been thrashed in his first two ATP Finals matches - but there is still a slim chance he can reach the semi-finals in Turin.