The banners and signs — one of which declared, “Sinner for president.” Late in the second set of his victory over Taylor Fritz at the ATP Finals on Tuesday, Jannik Sinner used all the adulation in his home country to his advantage.

Carlos Alcaraz looked little like the player who won two Grand Slams this year in a 6-1, 7-5 loss to Casper Ruud at the ATP Finals

Top-ranked Jannik Sinner beat Taylor Fritz 6-4, 6-4 at the ATP Finals on Tuesday in a rematch of the U.S. Open final that the Italian also won in straight sets.

Daniil Medvedev was able to “block the noise” following a temper tantrum in his previous match and moved back into contention at the ATP Finals with a 6-2, 6-4 victory over Alex de Minaur on Tuesday.