Jannik Sinner of Italy enters the court before the round robin match against Daniil Medvedev of Russia at the Nitto A

Jannik Sinner and Taylor Fritz are moving on to the semifinal round of the Nitto ATP Finals after securing victories to close round-robin group play Thursday in Turin, Italy.

For Jannik Sinner, it's the moment of truth at the Nitto ATP Finals in Turin: the world number 1 has also won against American Taylor Fritz, but qualification for the semifinals is not yet