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Juan Martin del Potro rues lack of killer instinct in US Open defeat | Sports News,The Indian Express
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Juan M. del Potro on Twitter: "An amazing time yesterday at the @usopen. What a pleasure to train with my friend, the legendary @JohnMcEnroe and so grateful for the welcome from everyone
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Argentine tennis player Juan Martin del Potro celebrating victory during French Open 2018,Paris, France Stock Photo - Alamy
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