Join Tanya Aldred for updates as Yannik Sinner looks to complete a sweep of his group by beating Daniil Medvedev. Max Purcell/Jordan Thompson beat Marcel Granollers/Horacio Zeballos 7-6, 6-3 18:55 After such an epic opening set,

TURIN, Italy — Top-ranked Jannik Sinner became the first player to advance to the semifinals at the ATP Finals on Thursday. Sinner was assured of a spot in the last four after U.S. Open finalist Taylor Fritz beat Alex de Minaur 5-7, 6-4, 6-3 in their group.