Andrea Gaudenzi said at the ATP Finals that anyone hinting that a “double standard” was applied because of top-ranked Jannik Sinner’s status is “unfair because the rules have been the same.”

Join Tanya Aldred for updates as Yannik Sinner looks to complete a sweep of his group by beating Daniil Medvedev. Medvedev wins the toss and will receive 19:43 Here come the players, both in subdued tracksuit tops,

Jannik Sinner became the first player to reach the semifinals at the ATP Finals after Taylor Fritz defeated Alex de Minaur. Sinner, who faces Daniil Medvedev next, has already secured his place in the last four.