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German tennis player Alexander Zverev (L) vies with Croatian tennis player Borna Coric during a friendly basketball match ahead of the Adria Tour humanitarian tennis tournament in Zadar, Croatia, June 18, 2020. Adria Tour is organized by Serbia's tennis player Novak Djokovic in order to promote sports, positive values and fair play, and also to raise funds for those who need help. Zadar will host the tournament featuring Djokovic and top Croatian tennis players from June 19 to 21. (Marko Dimic/Pixsell via Xinhua)
