Stefanos Tsitsipas reached No. 3 in the ATP rankings released Monday, with 20-time Grand Slam winner Rafael Nadal falling to No. 4.
For Tsitsipas, a Greek who turns 23 on Thursday, it is the highest ranking of his career. For Nadal, 35, this marks the first time since May 29, 2017, that he hasn't been ranked in the top three.
Novak Djokovic of Serbia and Daniil Medvedev of Russia remain 1-2 in the rankings.
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