Stefanos Tsitsipas and Dominic Thiem will play each other for the season-ending ATP Finals.
It comes after Thiem beat defending champion Alexander Zverev at the 02 Arena in London, while Tsitsipas got the better of Roger Federer in the semi-finals.
The 6-3 6-4 defeat ends the Swiss maestro's quest for a record-extending seventh ATP Finals title.
Earlier this year Federer beat Tsitsipas in the finals of the Dubai Duty Free Tennis Championships.
Tsitsipas and Thiem will play for the title at 10:00 pm UAE time.
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