In the last round of the group stage of the ATP Championships in Turin, American Taylor Fritz defeated Canadian Felix Auger-Aliassime 7-6 (7-4), 6-7 (5-7), 6-2 to reach the semifinals.
Fritz will compete for a ticket to the final on November 19 against Serb Novak Djokovic.
Andrey Rublev of Russia and Stefanos Tsitsipas of Greece will compete for the last slot in the semifinals.
The winner will play Norway's Casper Ruud in the semifinals.
The prize fund of ATP Finals is about $15 million.