Canada’s Felix Auger-Aliassime reached the last four of the ATP Finals with a 6-4 7-6(4) round-robin win over two-time winner Alexander Zverev on Friday, and Jannik Sinner extended his indoor hardcourt unbeaten run by beating American Ben Shelton.

Germany’s Zverev and Auger-Aliassime both defeated Shelton and lost to Sinner to set up a winner-takes-all clash for the runners-up spot in the Bjorn Borg Group, and the Canadian clinched a place in Saturday’s semifinal against world number one Carlos Alcaraz.

“You want to be in the final, but I’ll have to go through a great player to do that,” Auger-Aliassime said.

“I will take my chance if I have it.”

Zverev was left to rue his failure to take any of his seven break points against Sinner, and it was a similarly frustrating story against the

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