This year, the ATP Finals championship round with see two first-time finalists; Dominic Thiem and Stefanos Tsitsipas. Thiem recently beat Alexander Zverev in straight sets in his first semifinal after three previous years of failing to get past the round-robin stage.

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NittoATPFinals pic.twitter.com/xiWjB1lsa8

— Dominic Thiem (@ThiemDomi) November 15, 2019

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Meanwhile, the Greek took down Roger Federer in dominating fashion to reach the biggest final of his career. In a tournament, and season, that seemed dominated by the Big Three, it seems like the younger generation are finally stepping up. However, the hard choice is here: who is going to win?