Tennis news 2022: Daniil Medvedev new world number one, ATP rankings, Novak Djokovic, Big Four 18-year stranglehold on top spot
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Tennis world rankings: Daniil Medvedev ends 15-year record that highlights true muscle of ATP's 'big four'
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Who is the world No. 1 in men's tennis? Updated ATP rankings and explainer | Sporting News Australia
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