Italy's Jannik Sinner got his title defense off to a solid start with a dominant straight sets win over ailing Canadian Felix Auger-Aliassime at the ATP Finals on Monday in Turin.
Nine days after their duel in the final of the Paris Masters, Sinner was again the strongest, winning 7-5, 6-1.
But fellow Italian Lorenzo Musetti was earlier outclassed 6-3, 6-4 by American Taylor Fritz.
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