Novak Djokovic lost 5-7, 6-4, 4-6 to Aslan Karatsev in the Serbia Open semi-final and the World No. 1 feels needs to work on his game ahead of the French Openfrom Top Sports News- News18.com https://ift.tt/2PlrJiv
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Novak Djokovic lost 5-7, 6-4, 4-6 to Aslan Karatsev in the Serbia Open semi-final and the World No. 1 feels needs to work on his game ahead of the French Open