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Key Biscayne, FL, USA. 27th Mar, 2017. Roger Federer Vs Juan Martin Del Potro during the Miami Open at Crandon Park Tennis Center on March 27, 2017 in Key Biscayne, Florida. Credit:
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Key Biscayne, FL, USA. 25th Mar, 2017. Roger Federer Vs Frances Tiafoe during the Miami Open at Crandon Park Tennis Center on March 25, 2017 in Key Biscayne, Florida. Credit: Mpi04/Media Punch/Alamy
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