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Novak Djokovic in tears after shock Olympic defeat by Juan Martín del Potro | Novak Djokovic | The Guardian
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Djokovic 'love' for Del Potro after third knee surgery, seventh career operation | Tennis News - Times of India
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Novak Djokovic: Juan Martin del Potro reveals whispered message from US Open winner | Tennis | Sport | Express.co.uk
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US Open: Juan Martin del Potro Backs Novak Djokovic To Break Roger Federer's 20-Slam Record | Tennis News
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To be honest, I was crying till now,' heartbroken del Potro reacts to US Open final loss to Djokovic
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Juan Martin del Potro believes Novak Djokovic can overtake Roger Federer in Grand Slam stakes | Tennis News | Sky Sports
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Novak Djokovic hopes to see 'unfortunate' Juan Martin del Potro back on court | Tennis News | Sky Sports
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