Dominic Thiem defeats Alexander Zverev to reach final of ATP Finals
• Austrian wins 7-5, 6-3 to continue brilliant form in tournament
• Thiem now faces Stefanos Tsitsipas in final
Related: Stefanos Tsitsipas overcomes Roger Federer to reach final of ATP Finals
Dominic Thiem continued his formidable march to the summit of tennis in a season in which he has truly come of age, outperforming his good friend Alexander Zverev 7-5, 6-3 to reach the title match of the ATP Finals. He will face Stefanos Tsitsipas as the next generation settles at the top of the sport.