Novak Djokovic

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	Can Australia really not let Novak Djokovic enter the country for not getting vaccinated against COVID? Novak Djokovic is a 34-year-old Serbian professional tennis player who has, until now, won 20 grand slam singles. He turned pro in 2003 Published on 6th January 2022
	What the FAQ: What is the calendar grand slam in tennis and why is it special? What is all the fuss about Novak Djokovic being on the verge of greatness? How rare is this feat? Here is everything you need to know Published on 11th September 2021