TURIN, Italy — Jannik Sinner got his bid for a first ATP Finals title underway with a 6-3, 6-4 win over Alex de Minaur on Sunday (Monday in Manila) as former champion Daniil Medvedev lost his head during his defeat to Taylor Fritz.

Italian Sinner delighted supporters in Turin with a comfortable win over Finals debutant de Minaur to move first in the Ilie Nastase Group.

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