Turin, Nov. 15 -- Felix Auger-Aliassime secured a big win over Alexander Zverev, the two-time titlist in the group stage of the ATP Finals, booking himself a semifinal clash against world number one, Carlos Alcaraz.

The Canadian outdid Zverev 6-4, 7-6(4) in a straight shootout, finishing second behind Italian star Jannik Sinner in the Bjorn Borg Group. Sinner had earlier defeated Ben Shelton 6-3, 7-6(3) to top the group.

Felix lost his first three sets of the week and looked set for an early exit from the tournament, but a comeback win over Ben Shelton and now removing a two-time ATP Finals champion Zverev from the equation will leave him with a lot of confidence.

"This is a high-value tournament for players," said Auger-Aliassime, on ...