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.

Taylor Fritz benefited from a questionable serving decision by Daniil Medvedev and frustrated his opponent so much that the Russian broke his racket and was docked a point in a 6-4, 6-3 victory for the American in the opening match of the ATP Finals.

American tennis star Taylor Fritz squared off against Jannik Sinner for the second time in as many months, and believes he produced a better performance than when they clashed at the 2024 US Open

Join Katy Murrells for updates as the world No 1 Jannik Sinner takes on Taylor Fritz in Turin.   21:33 Sinner – so understated when he speaks, in contrast to his fierce hitting – says on court: It was very tough match.

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

Norway's Casper Ruud eased to a straight-sets victory over Carlos Alcaraz on Monday as the Spanish star's bid for a maiden ATP Finals title got off to a poor start.