In a commanding display of tennis prowess, Italy's Jannik Sinner kicked off his ATP Finals title defense with a decisive 7-5, 6-1 victory against Canada's struggling Felix Auger-Aliassime at the Inalpi Arena on Monday.

Sinner's dominance was clear from the outset, as he extended his impressive indoor hardcourt winning streak to 27 matches. His tactical accuracy and overpowering serve left his Canadian opponent needing medical assistance during the second set.

The Italian ace is now in an intense race with Spain's Carlos Alcaraz for the world number one ranking, requiring a tournament win in Turin to keep his hopes alive.

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