@CNN: Federer-Nadal semifinal thwarted as Juan Martin del Potro stuns Roger Federer in US Open https://t.co/nIVWbL0Xa8 https://t.co/yE6CY5skPW

September 7, 2017 / The Arbiter / CNN

@CNN: Federer-Nadal semifinal thwarted as Juan Martin del Potro stuns Roger Federer in US Open https://t.co/nIVWbL0Xa8 https://t.co/yE6CY5skPW

Federer-Nadal semifinal thwarted as Juan Martin del Potro stuns Roger Federer in US Open https://t.co/nIVWbL0Xa8 http://pic.twitter.com/yE6CY5skPW

— CNN (@CNN) September 7, 2017

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