Novak Djokovic marks Jannik Sinner down as a future world No 1, Tennis News

Novak Djokovic believes 19-year-old Italian Jannik Sinner leads the next generation of tennis stars after Alexander Zverev and Stefanos Tsitsipas, saying: He has the potential to be a top player of the world.
Novak Djokovic has marked Italian teenager Jannik Sinner down as having the potential to become a future world No 1.
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