Join Katy Murrells for updates as the world No 1 Jannik Sinner takes on Taylor Fritz in Turin.   20:10 First set: *Sinner 3-3 Fritz (denotes next server) 15-0, 30-0, 40-0, game, as Fritz finds the sideline with a backhand winner.

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.

In a battle of two top-10 players, No. 4 Daniil Medvedev will meet No. 6 Taylor Fritz in the Nitto ATP Finals Round Robin on Sunday, November 10.Medvedev’s last match was a win, 6-2, 6-4,