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.

Top-ranked Jannik Sinner has become the first player to advance to the semifinals at the ATP Finals in Turin. Sinner was assured of a spot in the last four after U.S. Open finalist Taylor Fritz beat Alex de Minaur 5-7,

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-